CN101263506A - Locating, provisioning and identifying devices in a network - Google Patents

Locating, provisioning and identifying devices in a network Download PDF

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Publication number
CN101263506A
CN101263506A CN 200580015166 CN200580015166A CN101263506A CN 101263506 A CN101263506 A CN 101263506A CN 200580015166 CN200580015166 CN 200580015166 CN 200580015166 A CN200580015166 A CN 200580015166A CN 101263506 A CN101263506 A CN 101263506A
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rfid
device
information
means
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CN 200580015166
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CN101263506B (en
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加里·丹尼斯·小沃格特
拉尔夫·多莫斯
罗兰·萨威勒
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思科技术公司
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Priority to US57099904P priority Critical
Priority to US60/570,999 priority
Priority to US11/104,140 priority
Priority to US11/104,140 priority patent/US8060623B2/en
Priority to US11/119,169 priority patent/US7789308B2/en
Priority to US11/119,169 priority
Priority to US11/129,709 priority
Priority to US11/129,709 priority patent/US7648070B2/en
Application filed by 思科技术公司 filed Critical 思科技术公司
Priority to PCT/US2005/016958 priority patent/WO2005114604A2/en
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Publication of CN101263506B publication Critical patent/CN101263506B/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L29/00Arrangements, apparatus, circuits or systems, not covered by a single one of groups H04L1/00 - H04L27/00
    • H04L29/12Arrangements, apparatus, circuits or systems, not covered by a single one of groups H04L1/00 - H04L27/00 characterised by the data terminal
    • H04L29/12009Arrangements for addressing and naming in data networks
    • H04L29/12207Address allocation
    • H04L29/12216Internet Protocol [IP] addresses
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/22Electrical actuation
    • G08B13/24Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L29/00Arrangements, apparatus, circuits or systems, not covered by a single one of groups H04L1/00 - H04L27/00
    • H04L29/12Arrangements, apparatus, circuits or systems, not covered by a single one of groups H04L1/00 - H04L27/00 characterised by the data terminal
    • H04L29/12009Arrangements for addressing and naming in data networks
    • H04L29/12047Directories; name-to-address mapping
    • H04L29/12056Directories; name-to-address mapping involving standard directories and standard directory access protocols
    • H04L29/12066Directories; name-to-address mapping involving standard directories and standard directory access protocols using Domain Name System [DNS]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L29/00Arrangements, apparatus, circuits or systems, not covered by a single one of groups H04L1/00 - H04L27/00
    • H04L29/12Arrangements, apparatus, circuits or systems, not covered by a single one of groups H04L1/00 - H04L27/00 characterised by the data terminal
    • H04L29/12009Arrangements for addressing and naming in data networks
    • H04L29/12792Details
    • H04L29/12801Details about the structures and formats of addresses
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L29/00Arrangements, apparatus, circuits or systems, not covered by a single one of groups H04L1/00 - H04L27/00
    • H04L29/12Arrangements, apparatus, circuits or systems, not covered by a single one of groups H04L1/00 - H04L27/00 characterised by the data terminal
    • H04L29/12009Arrangements for addressing and naming in data networks
    • H04L29/12792Details
    • H04L29/1283Details about address types
    • H04L29/12924Transport layer addresses, e.g. aspects of Transmission Control Protocol [TCP] or User Datagram Protocol [UDP] ports
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance or administration or management of packet switching networks
    • H04L41/08Configuration management of network or network elements
    • H04L41/0803Configuration setting of network or network elements
    • H04L41/0806Configuration setting of network or network elements for initial configuration or provisioning
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance or administration or management of packet switching networks
    • H04L41/08Configuration management of network or network elements
    • H04L41/0803Configuration setting of network or network elements
    • H04L41/084Configuration by copying
    • H04L41/0843Configuration by copying based on generic templates
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance or administration or management of packet switching networks
    • H04L41/12Arrangements for maintenance or administration or management of packet switching networks network topology discovery or management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00Network arrangements or network protocols for addressing or naming
    • H04L61/15Directories; Name-to-address mapping
    • H04L61/1505Directories; Name-to-address mapping involving standard directories or standard directory access protocols
    • H04L61/1511Directories; Name-to-address mapping involving standard directories or standard directory access protocols using domain name system [DNS]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00Network arrangements or network protocols for addressing or naming
    • H04L61/20Address allocation
    • H04L61/2007Address allocation internet protocol [IP] addresses
    • H04L61/2015Address allocation internet protocol [IP] addresses using the dynamic host configuration protocol [DHCP] or variants
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00Network arrangements or network protocols for addressing or naming
    • H04L61/60Details
    • H04L61/6004Structures or formats of addresses
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00Network arrangements or network protocols for addressing or naming
    • H04L61/60Details
    • H04L61/6018Address types
    • H04L61/6063Transport layer addresses, e.g. aspects of transmission control protocol [TCP] or user datagram protocol [UDP] ports
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance or administration or management of packet switching networks
    • H04L41/08Configuration management of network or network elements
    • H04L41/0876Aspects of the degree of configuration automation
    • H04L41/0883Semiautomatic configuration, e.g. proposals from system
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network-specific arrangements or communication protocols supporting networked applications
    • H04L67/10Network-specific arrangements or communication protocols supporting networked applications in which an application is distributed across nodes in the network
    • H04L67/1002Network-specific arrangements or communication protocols supporting networked applications in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers, e.g. load balancing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network-specific arrangements or communication protocols supporting networked applications
    • H04L67/10Network-specific arrangements or communication protocols supporting networked applications in which an application is distributed across nodes in the network
    • H04L67/1002Network-specific arrangements or communication protocols supporting networked applications in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers, e.g. load balancing
    • H04L67/1004Server selection in load balancing
    • H04L67/1021Server selection in load balancing based on client or server locations
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic or resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • H04W28/08Load balancing or load distribution
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W8/00Network data management
    • H04W8/26Network addressing or numbering for mobility support

Abstract

Methods and devices are provided for locating, identifying and provisioning devices in a network. According to some implementations of the invention, a combination of EPC code information and existing networking standards form the basis of identifying and provisioning methods. For example, first location information included in a DHCPDISCOVER request can be used to determine appropriate configurations for networked devices. In some such implementations, the first location information is read from an RFID tag near the networked device and is inserted in the DHCPDISCOVER request. The first location information may include any type of absolute or relative coordinate, positioning, cartographic or similar information and/or information from which such information may be derived. Second location information, which may be a logical name, is provided to the device. If the device is an RFID reader, the second location information may be included with reads from RFID tags that are transmitted from the RFID reader.

Description

定位、供给和识别网络中的设备技术领域本发明涉及供给(provision)网络中的设备。 TECHNICAL FIELD positioning, identification and supply network device of the present invention relates to a supply network (provision). 體駄包含通用产品代码("UPC")的条形码己经成了现代生活中几乎无所不在的特征。 Dai body contains a universal product code ( "UPC") bar codes have become almost ubiquitous in modern life features. 商业流中的绝大多数产品以及包装、容器和其他元素现在都带有条形码,以允许进行便利的跟踪和库存控制。 The vast majority of products and packaging, container and other elements of the stream of commerce now with a bar code to allow for convenient tracking and inventory control. 但是,条形码有一些缺点。 However, the bar code has some drawbacks. 条形码是"只读"的,因为它们只是一组打印的不能被更新的机器可读平行条。 A bar code is "read-only", since they can not be updated only a set of machine-readable printed parallel strips. 条形码不能发射信息,而是必须被扫描器读取。 The bar code can not transmit information, but must be read by the scanner. 条形码必须在相对较短的距离内被扫描,并且必须朝向适当的方向,以便条形码被读取。 Bar code must be scanned in a relatively short distance, and to be toward an appropriate direction, so that the bar code is read. 为了克服条形码的缺点并且添加更强大的功能,已经开发出了"智能标签",这种"智能标签" 一般由RFID标签实现。 In order to overcome the shortcomings of barcode and add more powerful, we have developed a "smart label", this "smart label" is generally implemented by the RFID tag. RFID标签已被用于跟踪物品,例如航空行李、零售环境中的服装物品、奶牛和公路通行费。 RFID tags have been used to track items such as airline baggage, articles of apparel retail environment, cows and highway tolls. 如图1所示,RFID标签100包括微处理器105和天线110。 As shown in FIG. 1, RFID tag 100 includes a microprocessor 105 and an antenna 110. 在该示例中, RFID标签100由RFID读取器125所生成的磁场145提供能量。 In this example, RFID tags 100 are powered by the magnetic field generated by the RFID reader 125 145. 标签的天线110拾取磁信号145。 Tag antenna 110 magnetic pickup signal 145. RFID标签100根据编码在标签中的信息调制信号145,并将经调制的信号155发射到RFID读取器125。 RFID tag 100 according to the information modulated signal is coded in the tag 145 and the RFID reader 125 to transmit the modulated signal 155. 大多数RFID标签使用电子产品代码("EPC"或"ePC")格式之一来对信息编码。 One of most RFID tags using Electronic Product Code ( "EPC" or "ePC") format used to encode information. EPC码可形成为各种长度(常见格式是64、 96和128比特),并具有各种类型的定义的字段,这些字段允许了识别例如个体产品以及相关联的信息。 EPC number may be formed in various lengths (common format is 64, 96, and 128 bits), and having various types of defined fields that allow information to identify an individual, for example, and an associated product. 这些格式在公共域中的各种文档中定义。 These formats are defined in various documents in the public domain. 一个这种文档是EPC Tag Data Standards Version 1.1 Rev 1.24(EPCglobal® 2004),这里通过引用将其并入,用于所有目的。 One such document is the EPC Tag Data Standards Version 1.1 Rev 1.24 (EPCglobal® 2004), which is incorporated herein by reference for all purposes. 一个示例性RFID标签格式在图1中示出。 One exemplary RFID tag format is shown in FIG. 这里,EPC 120包括头部130、 EPC管理者字段140、对象类别字段150和序列号字段160。 Here, EPC 120 includes a head 130, EPC Manager field 140, object class field 150 and a sequence number field 160. EPC管理者字段140包含制造者信息。 EPC Manager field 140 contains the manufacturer information. 对象类别字段150包括产品的库存单位(SKU)号码。 Object class field 150 includes a product stock keeping unit (SKU) number. 序列号字段160是能够唯一地标识个体产品的特定实例的40比特字段,g卩,不只是某种样式或型号,而是具体到一个样式和型号的特定"序列号"。 The sequence number field 160 is a specific example capable of uniquely identifying the individual products 40-bit field, g Jie, not just a style or model, but is specific to a particular type style and "serial number." 理论上,RFID标签和相关联的RFID设备(例如RFID读取器和打印机)可形成用于跟踪产品(或产品群组)及其历史的网络的一部分。 Theoretically, RFID tags and associated RFID devices (such as RFID readers and printers) may be used to track the product form part (or product group) and the history of the network. 但是,各种各样的困难妨碍了这一理论的实现。 However, various difficulties impeding the implementation of this theory. 需要RF工程师花费大量时间和精力的一个问题是开发具有可接受的性能水平的低成本RFID标签。 One problem needs RF engineers spend a lot of time and effort to develop low-cost RFID tags have an acceptable level of performance. 感性耦合的RFID标签具有可接受的性能水平。 Inductively coupled RFID tag having an acceptable level of performance. 这些标签包括微处理器、 金属线圈以及玻璃或聚合物封装材料。 These labels include a microprocessor, a metal coil, and glass or polymeric encapsulating material. 不幸的是,用于感性耦合的RFID 标签中的材料使得它们对于广泛使用来说太昂贵: 一个无源钮扣标签的成本约为$1 ,而用电池供电的读/写型标签的成本可能为$100或更多。 Unfortunately, RFID tags for the inductive coupling of a material such that they are too expensive for widespread use: a passive button tags cost about $ 1, and the cost of the battery-powered read / write tag may be $ 100 or more. 容性耦合的RFID标签使用导电墨水来取代感性RFID标签中使用的金属线圈。 Capacitively coupled RFID tag using conductive ink instead of metal coils used for the inductive RFID tag. 墨水被RFID打印机打印在纸签上,从而产生成本较低的一次性RFID标签。 RFID printer ink is printed on a paper check, resulting in lower-cost disposable RFID tag. 但是,传统的容性耦合RFID标签具有非常有限的范围。 However, the conventional RFID tag having capacitive coupling of a very limited range. 近年来,RF工程师已经在努力争取将容性耦合的RFID标签的范围扩展到超过约一厘米。 In recent years, RF engineers have been striving to extend the range of the RFID tag capacitively coupled to more than about one centimeter. 部分由于大量精力被花在解决前述问题上,所以用于联网RFID设备的现有技术系统和方法是相当原始的。 Partly because a lot of energy is spent to solve the foregoing problems, the prior art networking systems and methods for RFID devices are quite primitive. RFID设备最近才被部署为带有网络接口。 RFID devices recently been deployed with a network interface. 对于现有技术RFID设备的设备供给不是自动的,而是需要一个耗时的过程来配置每个设备。 For prior art RFID device supplying apparatus is not automatic, but requires a time-consuming process to configure each device. 现有技术RFID设备和系统不适合于RFID 设备的网络的大规模部署。 RFID prior art devices and systems are not suitable for large-scale deployment of network RFID device. 并且,传统的RFID设备具有少量的可用存储器。 Further, the conventional RFID device having a small amount of available memory. 典型的RFID设备可能具有约0.5 Mb的闪存以及总共1 Mb的总存储器。 A typical RFID device may have about 0.5 Mb flash memory, and the total of a total of 1 Mb. RFID设备的小存储器限制了对这里提到的问题的可能的解决方案的范围。 Small memory of the RFID device limits the range of possible solutions to the problems that are mentioned here. 此外,RFID设备一般使用专用操作系统,例如RFID设备中使用的(一个或多个)微处理器的制造者的操作系统。 In addition, RFID devices are generally used proprietary operating system, such as operating system manufacturer (s) of the microprocessor used in the RFID device. 此外,许多RFID设备是在不利的工业环境中(例如仓库或工作)由技术相对不熟练的"IT"人员部署的。 In addition, many RFID devices in adverse industrial environments (such as a warehouse or work) by a relatively unskilled technology "IT" personnel deployment. 例如,如果在一个位置部署的设备例如发生故障,则它可能就只是简单地被移去并被用在另一个位置部署的正常工作的设备所替换。 For example, if the device is deployed in a position fault occurs for example, it may just simply be removed and used on another location of the deployment of the device working properly replaced. 因此,希望提供用于唯一地且个体地识别RFID 设备及它们在网络中的确切位置的方法和系统。 Accordingly, it is desirable to provide a method and system for uniquely identifying an individual and RFID devices and their exact location in a network. 此外,RFID设备被部署为具有关于最初部署时设备的被部署位置的"静态"知识。 In addition, RFID devices are deployed with a "static" knowledge of the initial deployment of the device to be deployed position. 在实践中,如果另一个设备损坏或不正常工作,则RFID 设备被移动。 In practice, if another device is damaged or does not work properly, the RFID device is moved. 通常,希望允许RFID设备的移动。 Typically, it is desirable to allow the mobile RFID device. 但是,如果RFID设备被移动,则现有技术系统不知道RFID设备被移动到了什么位置。 However, if the RFID device is moved, the prior art RFID system does not know what the device is moved to the position. 还希望针对这些RFID设备的预期用途来自动供给这些RFID设备。 It is also desirable to automatically supply the RFID devices for the intended use of the RFID device. RFID设备执行不同的功能,并且可以按依赖于其位置的不同方式与上游系统接口。 RFID devices perform different functions, and may be in different ways dependent on its position upstream system interface. 它们所执行的功能,以及用于执行这些功能的唯一的设置,在这里将被称为设备的"个性(personality)"。 Functions they perform, and is provided only for performing these functions, the device will be referred to herein "personality (Personality)." 不仅希望识别RFID设备并确定它的位置,还希望供给、配置和部署软件和固件,以允许RFID设备基于位置执行各种功能和角色。 And only wishes to identify the RFID device determines its location, is also desirable to supply, configuration and deployment of software and firmware to allow the RFID device based on location to perform various functions and roles. 这里所使用的"供给(provision)" —个设备可包括但不限于提供网络配置、提供个性配置、将设备结合到网络数据库中,以及使设备能够具有软件(例如商业过程软件)。 As used herein "supply (provision)" - devices may include but are not limited to, providing network configuration, personalized configuration, bonding the device to the network database, and enables the device to have a software (e.g. business process software). 还希望提供对RFID设备的便利的重供给和个性更新。 Also we want to provide updates on the supply of heavy and personalized convenience of RFID equipment. 发明内容提供了用于定位、识别和供给网络中的设备的方法和设备。 Invention provides a method and apparatus for locating, identifying and supplying a network device. 根据本发明的一些实现方式,EPC码信息和现有网络标准的组合形成了识别和供给方法的基础。 According to some implementations of the present invention, EPC code combination information existing networks and standards form the basis of identification and feeding methods. 例如,MAC地址信息和EPC信息可被组合起来以标识特定的设备以及它在网络中的位置。 For example, MAC address information and EPC information can be combined to identify a particular device and its location in the network. 更高级别的应用可被告知例如特定RFID 设备可供使用。 Higher levels of a particular application may be informed, for example, an RFID device available. 对于使用动态主机配置协议("DHCP")的实现方式,DHCP选项可被用于传递标识、位置和供给信息。 For implementations using Dynamic Host Configuration Protocol ( "DHCP") Currently, DHCP option can be used to transfer identification, location and supply information. 例如,选中的DHCP选项可被用于指示设备类型、提供唯一地标识该特定设备的EPC码,以指示使用该设备的公司名称和指示设备如何被使用。 For example, the selected DHCP option may be used to indicate the type of apparatus, there is provided EPC code that uniquely identifies the particular device to indicate the company name and indicates how the device using the device is used. 在本发明的一些实现方式中,包括在DHCPDISCOVER请求中的位置信息可被用于为联网的设备确定适当的配置。 In some implementations of the present invention, in the DHCPDISCOVER request including location information may be used to determine appropriate configurations for the networked devices. 在一些这样的实现方式中,位置信息被从联网的设备附近的RFID标签读取,并被插入到DHCPDISCOVER请求中。 In some such implementations, the location information is read from the RFID tag near the networked device, and inserted into the DHCPDISCOVER request. 位置信息可包括任何便利类型的绝对或相对坐标、定位、测绘或类似的信息或可从中导出这种信息的信息。 The location information may include any convenient type of absolute or relative coordinates, positioning, mapping, or similar information or information derived therefrom such information. 本发明的一些这样的实现方式使用DHCPINFORM (RFC 2131)禾卩DHCP选项(RFC 2132和3004)来传递当前的供给和个性信息。 Some such implementations of the invention using a DHCPINFORM (RFC 2131) Wo Jie DHCP option (RFC 2132 and 3004) to pass the current supplied and personalities. 此外,本发明的一些这样的实现方式使用来自DHCP服务器的DHCPFORCERENEW命令(RFC 3203)来根据需要发起更新或完成重配置。 In addition, some such implementations of the present invention use DHCPFORCERENEW command from the DHCP server (RFC 3203) to initiate an update or complete reconfiguration required. 本发明的一些实现方式提供了一种供给设备的方法。 Some implementations of the present invention provides a method of feeding apparatus. 该方法包括以下步骤:初始化RFID设备;从RFID标签读取RFID标签数据;将RFID标签数据插入到DHCPDISCOVER请求的选项字段中;将DHCPDISCOVER 请求发送到DHCP服务器;至少部分地基于RFID标签数据査明RFID设备的位置和逻辑名称;至少部分地基于RFID设备的位置为RFID设备确定适当的配置;根据适当的配置来供给RFID设备,其中供给步骤包括向RFID设备供给逻辑名称。 The method comprises the steps of: initializing an RFID device; reading RFID tag data from an RFID tag; inserting the RFID tag data to the option field DHCPDISCOVER request; DHCPDISCOVER request to a DHCP server; at least partially based on the identification data of the RFID tag RFID logical name and location of the device; based in part on the location of the RFID device to determine the appropriate arrangement of at least an RFID device; RFID feeding apparatus according to the appropriate configuration, wherein the supplying step comprises supplying the logical name of the RFID device. RFID设备例如可以是无线RFID设备。 RFID may be a wireless device such as RFID device. 查明步骤可包括访问包括RFID标签数据和相应的位置数据和逻辑名称的数据结构。 The identification step may include accessing a data structure of RFID tag data and corresponding location data and logical names. 查明步骤的至少一部分可由DHCP服务器执行。 Identify at least a portion of steps performed by the DHCP server. 本发明的一些方面提供了一种供给无线设备的方法。 Some aspects of the present invention provides a method of supplying a wireless device. 一些这样的方法包括以下步骤:接收来自多个无线接入点的IEEE 802.1 lb位置数据;至少部分地基于IEEE 802.1 lb位置数据査明无线设备的位置和逻辑名称;根据位置为无线设备确定适当的配置;以及供给无线设备,其中配置步骤包括向无线设备提供适当的配置和逻辑名称。 Some such method comprising the steps of: receiving IEEE 802.1 lb position data from a plurality of wireless access points; at least partially based on IEEE 802.1 lb position data and a logical name to identify the location of the wireless device; according to the location of the wireless device determines the appropriate configuration; and supplying the wireless device, wherein the configuration comprises the step of providing the appropriate configuration and logical name to the wireless device. 无线设备例如可以是制造设备、RFID设备、便携式数字助理或膝上型计算机。 The wireless device may be, for example, manufacturing apparatus, the RFID device, a portable digital assistant or a laptop computer. IEEE 802.11b位置数据例如可以是时间数据和信号强度数据, 或两者。 IEEE 802.11b location data and time data may be, for example, signal strength data, or both. 提供了另一些用于供给设备的方法。 Other methods for providing a feeding device. 一些这样的方法包括以下步骤: 接收DHCP请求;根据DHCP请求中的信息查明设备的位置和逻辑名称;至少部分地基于位置为设备确定适当的配置;以及向设备提供适当的配置和逻辑名称。 Some such method comprising the steps of: receiving a DHCP request; according to the information in the DHCP request to identify the location and name of the logical device; at least partially based on the location of the device determines the appropriate configuration; and the provision of suitable configuration and logical name to the device. 査明步骤可包括确定编码在DHCP请求中的位置。 A position determining step may include the identification encoded in the DHCP request. 查明步骤可包括访问数据结构,并将DHCP请求中的信息映射到相应的位置数据。 May comprise the step of accessing the identification data structures, and the DHCP request is mapped to a corresponding location data. 本发明的另一个方面提供了一种用于在网络中部署被唯一地供给的RFID设备的方法。 Another aspect of the present invention provides a method for deploying RFID device is supplied uniquely to the network. 该方法包括以下步骤:从第一RFID标签读取第一位置信息;形成包括RFID读取器的电子产品代码("EPC")和第一位置信息的DHCPDISCOVER请求;将DHCPDISCOVER请求发送到DHCP服务器;接收来自DHCP服务器的根据RFID读取器的身份和位置使能期望的功能的供给信息,供给信息包括第二位置信息;以及根据供给信息来供给RFID读取器,从而使得RFID读取器能够读取附近的RFID标签并将RFID标签信息和第二位置信息传送到RFID网络。 The method comprises the steps of: reading first location information from a first RFID tag; forming an electronic product code ( "EPC") includes an RFID reader and the first location information of the DHCPDISCOVER request; DHCPDISCOVER request to a DHCP server; receiving from the DHCP server according to the location and identification information supplied RFID reader to enable a desired function, the information including second location information is supplied; and supplying the information supplied in accordance with the RFID reader, so that the RFID reader is capable of reading RFID tags and RFID tag information and second location information transmitted to the RFID taken close to the network. 第一位置信息例如可以是测绘信息,如坐标信息,经度/纬度,或民用地址信息。 A first location information may be mapping information, such as the coordinate information, latitude / longitude, or residential address information. 第二位置信息可包括逻辑名称。 The second location information may include a logical name. 本发明的一些实施例提供了一种网络,包括:多个RFID设备;将RFID设备连接到网络的多个交换机;以及DHCP服务器。 Some embodiments of the present invention provides a network, comprising: a plurality of RFID devices; RFID device is connected to the plurality of switches in the network; and a DHCP server. RFID设备中的至少一些包括以下部件:用于从第一RFID标签读取第一位置信息的装置;用于形成包括RFID读取器的电子产品代码("EPC")和第一位置信息的DHCPDISCOVER请求的装置;用于将DHCPDISCOVER请求发送到DHCP服务器的装置;用于接收来自DHCP服务器的根据RFID读取器的身份和位置使能期望的功能的供给信息的装置,供给信息包括第二位置信息;以及用于根据供给信息来供给RFID读取器,从而使得RFID读取器能够读取附近的RFID标签并将RFID标签信息和第二位置信息传送到RFID网络的装置。 At least some of the RFID device comprises the following components: a first means for reading position information from a first RFID tag; means for forming an electronic product code ( "EPC") includes an RFID reader and the first location information of the DHCPDISCOVER means request; DHCPDISCOVER request means for transmitting to the DHCP server; a second receiving apparatus according to positional information, information supplied to the supply information identity and location of the RFID reader to enable a desired function from a DHCP server comprising ; and means for supplying an RFID reader in accordance with supplied information so that the RFID reader device and the RFID tag and the second RFID tag information transmitted to a location close to the RFID network can read. DHCP服务器包括以下部件:用于接收DHCPDISCOVER请求的装置;用于根据包括在DHCPDISCOVER请求中的EPC和介质访问控制地址自动识别RFID设备的装置;用于根据包括在DHCPDISCOVER请求中的第一位置信息定位RFID设备并确定第二位置信息的装置;以及用于向RFID设备提供期望的功能和第二位置信息的装置。 The DHCP server includes the following means: means for receiving the DHCPDISCOVER request; comprising EPC and according to media access control address means for automatically identifying an RFID device in the DHCPDISCOVER request; according positioned in the first location information comprises a DHCPDISCOVER request and determining a second RFID device location information; and a means for providing a desired function to a RFID device and the second position information. 本发明的一些方面提供了另一种供给设备的方法。 Some aspects of the present invention provides a method of supplying another device. 该方法包括以下步骤:初始化RFID设备;获得第一位置数据;将第一位置数据插入到DHCPDISCOVER请求的选项字段中;将DHCPDISCOVER请求发送到动态主机配置协议("DHCP")服务器;至少部分地基于第一位置数据确定包括逻辑名称的供给信息;将供给信息提供给设备;根据供给信息配置设备;从RFID标签读取RFID标签数据;以及将RFID标签数据与逻辑名称一起传送到中间设备服务器。 The method comprises the steps of: initializing an RFID device; obtaining first location data; inserting a first position data to the option field DHCPDISCOVER request; DHCPDISCOVER request will be sent to the Dynamic Host Configuration Protocol ( "DHCP") server; at least partially based on determining a first position data comprises information supplied logical name; supplied information to the device; reading RFID tag data from an RFID tag;; supplied information configuration device according to the RFID tag and the data transfer with logical device name to the intermediate server. 在一些实现方式中,RFID设备包括全球定位系统("GPS")能力,并且第一位置数据包括GPS数据。 In some implementations, the RFID device includes global positioning system ( "GPS") capability, and the first location data includes GPS data. 本发明的方法至少可部分地由硬件和/或软件实现。 The method of the present invention may be partially implemented by hardware and / or software, at least. 例如,本发明的一些实施例提供了包含在机器可读介质中的计算机程序。 For example, some embodiments of the present invention provides a computer program embodied in a machine-readable medium. 计算机程序包括用于控制一个或多个设备执行这里描述的方法的指令。 A computer program comprising instructions for controlling apparatus to perform the method described herein one or more. 附图说明图l是示出了一个RFID标签的图。 BRIEF DESCRIPTION OF DRAWINGS Figure l is a diagram showing an RFID tag. 图2示出了根据本发明的示例性RFID网络。 FIG 2 illustrates an exemplary RFID network according to the present invention. 图3是可被配置为执行本发明的一些方法的示例性RFID读取器的框图。 FIG 3 is a block may be configured to perform some methods of the present invention, an exemplary RFID reader. 图4是可被配置为执行本发明的一些方法的示例性RFID打印机的框图。 FIG 4 is a block diagram of an exemplary RFID printer is configured to perform some methods of the present invention. 图5是可被配置为执行本发明的一些方法的示例性RFID系统的框图。 FIG 5 is a block diagram of an exemplary RFID system is configured to perform some methods of the present invention. 图6是提供对本发明的一些方法的概览的流程图。 FIG 6 is a flowchart providing an overview of some methods of the present invention. 图7是提供对本发明的另外的方法的概览的流程图。 FIG 7 is a flowchart providing an overview of the further method according to the invention. 图8是提供对本发明的一些实现方式的概览的流程图。 FIG 8 is a flow chart providing an overview of some implementations of the present invention. 图9A是示出了本发明的另一种实施例的网络图。 9A is a network diagram illustrating another embodiment of the present invention. 图9B示出了全球位置码("GLN")。 9B shows a Global Location Number ( "GLN"). 图9C示出了图9B中所示的GLN的一个示例性位置参考字段。 FIG 9C shows an exemplary GLN location reference field illustrated in Fig. 9B. 图IO是概括本发明的另一种方法的流程图。 FIG IO is a flowchart diagram summarizing another method of the present invention. 图ll是示出了本发明的另一种实施例的网络图。 FIG. Ll is a network diagram illustrating an embodiment of another embodiment of the present invention. 图12是概括本发明的另一种方法的流程图。 FIG 12 is a flowchart diagram summarizing another method of the present invention. 图13示出了包括逻辑设备名称和设备位置数据的RFID读取结果的一种示例性格式。 FIG 13 illustrates an exemplary format comprises a logical device name and device location data of the RFID reading results. 图14是概括本发明的另一个方面的流程图。 FIG 14 is a flow diagram of another aspect of the present invention is summarized. 图15示出了可被配置为实现本发明的一些方法的网络设备的示例。 FIG 15 shows a network may be configured to implement some methods of the present invention, apparatus is exemplary. 具体实施方式在本申请中,阐述了许多具体细节以提供对本发明的充分理解。 DETAILED DESCRIPTION In the present application, numerous specific details are set forth to provide a thorough understanding of the present invention. 但是,对于本领域的技术人员来说显而易见的是,没有这些具体细节中的一些或全部也能实现本发明。 However, those skilled in the art it will be apparent that, without some of these specific details or all of the present invention can be achieved. 在其他情况下,没有详细描述公知的过程步骤,以免使本发明模糊。 In other instances, well known process steps have not been described in detail so as not to obscure the present invention. 虽然本发明包括用于定位、识别和供给网络中的个体RFID设备的方法和设备,但是本发明的许多方面也可以应用到识别和供给网络中的其他类型的设备。 Although the present invention comprises a method and apparatus for positioning an individual RFID device, the identification and the supply network, but many aspects of the invention may also be applied to the supply network and to identify other types of devices. 例如,本发明还可用于定位、识别和供给制造设备、联网的传感设备、IP电话、便携式数字助理和其他联网的设备,包括无线和有线设备。 For example, the present invention may also be used to locate, identify and supply manufacturing equipment, networked sensing devices, IP phones, portable digital assistants, and other networked devices, including wireless and wired devices. 类似地,虽然这里的许多论述适用于使用DHCP协议的实现方式, 但本发明并不是特定于协议的,而是例如可以用于使用UPnP、 802.1ab或类似的发现协议的实现方式中。 Similarly, although discussed herein are applicable to many implementations using the DHCP protocol, but the present invention is not protocol specific, but may be, for example, using UPnP, or similar implementation 802.1ab discovery protocol. 同样,虽然这里描述的实现方式谈到了示例性的DHCP选项,但是其他DHCP选项也可被有利地用于实现本发明。 Similarly, although implementations described herein comes to an exemplary DHCP option, but other DHCP options may also be advantageously used to implement the present invention. 本发明的方法和设备具有非常广泛的实用性,不论是公共领域还是私有领域。 The method and apparatus of the present invention has very broad applicability, whether public or private field of art. 任何企业都需要跟踪其设备如何被部署,不论该设备是用于商业目的还是军事目的,等等。 Any business needs to track how its equipment is deployed, whether the device is used for commercial purposes or military purposes, and so on. 根据本发明而联网的RFID设备可提供用于允许企业跟踪设备和产品(或产品群组)的必要信息。 According to the present invention and networked RFID device may provide the necessary information to allow the tracking device, and enterprise product (or group). 将由根据本发明而联网的RFID设备提供的信息对于包括制造、配发、销售和营销规划在内的企业资源规划将会有很大益处。 Information will be according to the invention and networked RFID device provided for manufacturing, dispensing, sales and marketing planning, including enterprise resource planning will be of great benefit. 利用本发明的设备和方法,RFID标签和相关联的RFID设备(例如RFID读取器和打印机)可形成用于跟踪产品及其历史的网络的一部分。 Using the apparatus and method of the present invention, RFID tags and associated RFID devices (such as RFID readers and printers) may form part of the product and for tracking the history of the network. 例如,希望购买带有RFID标签的产品的购物者可以不用在结账队列中等待购买选中的产品,而是例如可以将产品运送通过附近的具有RFID读取器的门。 For example, you want to buy products with RFID tags Shoppers can checkout without waiting in the queue to buy selected products, but for example, the product can be transported through the door with a RFID reader nearby. 关于产品的EPC信息可被读取器提供给RFID网络,并可被用于自动更新商店库存,使金融账户被借记,更新制造者的、配发者的和零售者的产品销售数据库,等等。 EPC information about the product can be provided to the RFID reader network, and can be used to automatically update the store inventory, the financial account is debited, updated manufacturer, and retailer allotted's database product marketing, etc. Wait. 读/写型RFID标签可捕捉关于产品或产品群组的信息,例如作用在产品上的温度和其他环境变化、应力、加速度和/或振动。 Read / write RFID tag may capture information about the product or product group, for example, acting on the product temperature and other environmental changes, stress, acceleration and / or vibration. 对于较易变质或遭其他损坏的产品,例如易腐烂的食品和易碎物品,记录这种信息尤其有用。 For easier deteriorated or been damaged other products, such as perishable foods and fragile items, recording such information is particularly useful. 通过利用本发明的方法,该信息将被用于更新由各种实体(例如制造者、批发者、零售者、运输公司和金融机构)所维护的数据库。 By using the method of the present invention, the updated information will be used by the various entities (e.g. the manufacturer, wholesaler, retailer, transportation companies and financial institutions) databases maintained. 该信息不仅将被用于解决争议(例如关于产品损坏的责任),还可用于提高顾客满意度,避免健康危险等等。 This information will only be used to resolve disputes (eg concerning product liability damage), it can be used to improve customer satisfaction, to avoid health risks and so on. 本发明的一些方面使用EPC码信息和现有联网标准的修改版本的组合,来识别、定位和供给位于网络中的RFID设备,例如RFID读取器和RFID打印机。 Some aspects of the invention using conventional networking code information and EPC standard modified version of the combination, to identify, locate and supply RFID device located in the network, for example, an RFID reader and an RFID printer. 这种网络的一个示例在图2中示出。 One example of such a network is shown in FIG. 这里,RFID网络200 包括仓库201、工厂205、零售店210、金融机构215和总部220。 Here, the RFID network 200 includes a repository 201, factory 205, 210 retail stores, financial institutions 215 and 220 headquarters. 本领域的技术人员将会意识到,网络200可包括许多其他元素和/或图2所示的部件的多个实例。 Those skilled in the art will appreciate that network 200 may include multiple instances of a number of other elements and components shown and / or FIG. 例如,网络200可包括多个仓库、工厂,等等。 For example, network 200 may comprise a plurality of warehouses, factories, and the like. 在该图中,产品227正被卡车275递送到仓库201。 In the figure, 227 products are being delivered to the warehouse truck 275 201. 已经含有RFID标签的产品227被递送经过门223。 Products already contain RFID tags 227 are delivered through gate 223. 在本示例中,RFID读取器252连接到交换机260的端口262。 In the present example, RFID reader 252 is connected to a switch port of 262,260. 这里,交换机230和260经由网关250和网络225 连接到RFID网络200的其余部分。 Here, 230 and 260 connected to the RFID network 250 via a gateway 225 and the rest of the network switch 200. 网络225可以是任何便利的网络,而在本示例中,网络225是因特网。 Network 225 may be any convenient network, but in the present example, network 225 is the Internet. RFID读取器252读取经过门223的每个产品,并在RFID网络200上传送与每个产品相对应的EPC码。 Each product 252 is read through the door 223, and transmits the EPC code of each product on the RFID network 200 corresponding to the RFID reader. RFID标签可用于不同级别的产品配发系统。 RFID tags can be used for different levels of the product distribution system. 例如,可以有用于一货盘的箱子的RFID标签、用于货盘中的每个箱子的RFID标签,以及用于每个产品的RFID标签。 For example, there may be an RFID tag for a pallet of boxes, each box RFID tag for the pallet, and an RFID tag for each product. 因此,在产品227进入仓库201之后,它们被聚集到箱子246中。 Thus, after the product 227 into the warehouse 201, which is gathered in box 246. RFID打印机256为每个箱子246制作一个RFID标签。 RFID printer 256 for each case 246 making one RFID tag. 在本示例中,RFID打印机256连接到交换机260的端口266。 In the present example, RFID printer 256 is connected to the port 266 of the switch 260. RFID打印机256可在仓库201中的PC 247、总部220中的PC 267之一或某个其他设备的控制之下工作。 RFID printers PC 256 can be in the warehouse 201 247, under the control of one of 267 or some other device in the headquarters 220 PC work. 连接到端口214的RFID读取器224读取输送带244上的每个箱子246 和产品227的EPC码,并在网络200上传送该信息。 Connected to port 214 of the RFID reader 224 reads each box on the conveyor belt 246 and 244 EPC product code 227, and transmits the information over the network 200. 类似地,连接到端口216的RFID读取器226读取从门204出去的每个箱子246和产品227的EPC码,并在网络200上传送该信息。 Similarly, port 216 connected to the RFID reader 226 reads each box 204 from the door 246 and the product 227 out of the EPC code, and transmits the information over the network 200. 箱子246被装载到卡车285上,以便配发到产品链的另一部分,例如到零售店210。 Box 246 is loaded onto the truck 285, so that another portion allotted to the production chain, for example, the retail store 210. 网络200中的每个RFID设备优选地具有适合其预期用途的"个性"。 Each RFID device in the network 200 preferably has a "personality" suitable for its intended use. 例如,如果经授权的人或物体进入门223,则设备252可以促使发出使放心的音调和/或使绿灯闪烁。 For example, if an authorized person or object enters the gate 223, the device 252 can be assured of prompt issue the tone and / or flashing green. 但是,如果产品从门223出去或未经授权的人进入门223或从门223出去,则设备252可能促使响起警报和/或将警告发送到网络200上的管理员。 However, if the product out the door 223 or unauthorized persons to enter the door out of the gate 223 or 223, the device 252 may prompt an alarm sounded and / or a warning sent to the administrator on the network 200. 图3示出了可被配置为执行本发明的方法的RFID读取器。 FIG 3 shows a may be configured to perform the method of the present invention is an RFID reader. RFID读取器300包括一个或多个RF无线电装置305,用于将RF波发射到RFID标签,并接收来自RFID标签的经调制的RF波。 RFID reader 300 includes one or more RF radios 305 for transmitting RF waves to the RFID tag, and receiving a modulated RF wave from the RFID tag. RF无线电装置305提供被模数转换器(未示出)转换并被输送到RFID读取器300的其他部件的原始RF数据。 RF radio device 305 is provided and conveyed analog to digital converter (not shown) to the other components of the RFID reader 300 of the raw RF data. 在一些实施例中,这些数据在经由网络接口325被传送到网络200的其他部分之前,至少暂时地被CPU 310存储在存储器315中。 In some embodiments, before data via the network interface 325 is transmitted to the rest of the network 200, the CPU 310 is at least temporarily stored in memory 315. 网络接口325可以是任何便利类型的接口,例如以太网接口。 The network interface 325 may be of any convenient type of interface, such as an Ethernet interface. 闪存320被用于存储用于引导/初始化RFID读取器300的程序("引导加载程序")。 Flash memory 320 is for storing booting / initializing RFID reader 300 for the program ( "boot loader"). 引导加载程序通常被存储在闪存320的单独的分区区域中,它还允许了RFID读取器300在掉电时恢复,等等。 The boot loader is typically in a separate partition area of ​​the flash memory 320, also it allows the RFID reader 300 is stored when power is restored, and the like. 在本发明的一些实施例中,闪存320包括用于控制CPU 310以形成下文参考图6描述的"DHCPDISCOVER"请求的指令,以发起供给/配置周期。 In some embodiments of the present invention, the flash memory 320 comprises a CPU 310 for controlling the instruction to form a "DHCPDISCOVER" described below with reference to FIG. 6 request, to initiate the supply / configuration cycle. 在一些实现方式中,闪存320被用于存储例如在这样的周期期间从DHCP服务器获得的个性信息和其他配置信息。 In some implementations, the flash memory 320 is used to personalize information is stored during such a period, for example, obtained from a DHCP server, and other configuration information. 但是,在优选实现方式中,这种信息在被从例如DHCP服务器接收到之后,仅被存储在易失性存储器415中。 However, in the preferred implementation, such information is received from the DHCP server, for example, after only being stored in the volatile memory 415. 保持RFID设备"哑(dumb)" 是有一些优点的。 Held RFID device "dumb (dumb)" are some of the advantages. 例如,哑RFID设备的网络允许许多处理负荷被集中起来(例如由网络200的服务器270执行),而不是由RFID设备执行。 For example, the RFID device dumb network allows many processing load are together (e.g., performed by the server 270 of the network 200), instead of performing by the RFID device. 或者,处理负荷可被分散,但只被分散到受信任的设备(例如网络200的PC 247)。 Alternatively, the processing load can be dispersed, but is dispersed only device (e.g., PC 247 network 200) trusted. 配置信息例如被从中央服务器下载到存储器315。 For example, the configuration information is downloaded from the central server to the memory 315. 更新可由中央服务器或选中的受信任设备发动。 Update selected by a central server or trusted device launch. 新版本的映像文件(例如操作RFID设备所必需的运行的基本映像)被拷贝到闪存320中。 The new version of the image file (e.g., base image necessary to operate the RFID device operation) is copied to the flash memory 320. RFID设备的另一些实施例实现了本发明的方法,但没有闪存。 Other embodiments of an RFID device implements the method of the invention, but there is no flash. 更新型的RFID设备还包括干接触式输入/输出导线,以连接到信号灯、工业网络或等同物。 Newer RFID device further comprises a Dry Contact input / output leads to be connected to a signal lamp, an industrial network or equivalent. 这些更新型的RFID设备一般在存储量、闪存、 CPU能力和确定其视野内的RFID标签的数目、类型和内容的方法方面已经有所发展。 These newer RFID devices in general storage, flash memory, and the CPU capacity determination method of the RFID tag number of the aspects within its field of view, and type of content have been developed. 图4是示出可被配置为执行本发明的一些方法的示例性RFID打印机400的框图。 FIG 4 is a diagram illustrating an exemplary RFID printer can be configured to perform some methods of the present invention, a block diagram 400. RFID打印机400具有许多与RFID读取器300相同的组件, 并且可以按与RFID读取器300相同的一般方式来配置。 RFID printer 400 having a plurality of the same components with the RFID reader 300, and may be configured by the RFID reader 300 the same general manner. RPID打印机还包括打印机接口430,该接口可以是标准的打印机接口。 RPID printer further comprises a printer interface 430, the interface may be a standard printer interface. 打印机接口例如根据经由网络接口425从网络200接收的指令,为每个RFID标签打印一个标记。 The printer interface, for example, a tag, an RFID tag for each print instruction received via the network interface 425 from the network 200. RF无线电装置405是传出无线电装置,用于在CPU 410的控制下向RFID标签的天线发送RF信号,从而对标签的微处理器上的信息(例如EPC)编码。 RF radio 405 is spread radio means for transmitting RF signals to the antenna of the RFID tag under the control of the CPU 410, so that the information on the label of a microprocessor (e.g. EPC) encoding. 优选地,RF无线电装置405随后检査经编码信息的正确性。 Preferably, 405 then checks the correctness of the information coded RF radio. RFID标签被夹由在打印机接口430产生的标记内。 RFID tags are marked in the folder generated by the printer interface 430. 图5示出了包括控制部分501和RF无线电部分502的RFID系统500。 FIG. 5 shows a control portion 501 comprising a RFID system and RF section 502 of radio 500. 控制部分501的组件与以上参考图3和图4描述的那些基本类似。 Section 501 of the control assembly above with reference to FIGS. 3 and 4 are substantially similar to those described herein. 控制部分501的互连装置530被配置用于与RF无线电部分502的互连装置535通信。 The control section 501 of the interconnect device 530 is configured for communication with a 535 RF radio portion 502 interconnecting means. 通信可以经由任何便利的介质和格式,例如无线、串行、点到点串行等等。 Communication may be via any convenient medium and formats, such as wireless, serial, point to point serial like. 虽然图5中只示出了一个RF无线电部分502,但是每个控制部分501可控制多个RF无线电部分502。 Although Figure 5 shows only one RF radio section 502, but the control section 501 may control each of the plurality of RF radio section 502. RFID系统500可被部署在单个机架或机箱上(例如叉车上)或者多个机箱中。 RFID system 500 may be deployed on a single rack or cabinet (for example, a forklift) or multiple chassis. DHCP协议被用于本发明的一些优选实现方式中,这是因为它提供了多种便利的特征。 DHCP protocol is used in some preferred implementations of the present invention, because it provides a variety of convenience features. 例如,DHCP协议允许定义TCP/IP地址的池或"范围"。 Ie, DHCP protocol allows the definition of pools TCP / IP address, or "range." DHCP服务器可将这些TCP/IP地址临时分配或"租借"给主机设备。 DHCP server can use these TCP / IP address assignment or temporary "loan" to the host device. 在租借期间未被使用的IP地址被返回到未分配的IP地址的池。 During IP address lease unused is returned to the pool of unassigned IP addresses. 此外,DHCP服务器将会提供TCP/IP适当工作所需的所有相关配置设置,例如默认路由器、域名服务("DNS")服务器、子网掩码等。 In addition, DHCP server will provide all relevant configuration settings required for TCP / IP to work properly, such as the default router, domain name service ( "DNS") servers, subnet mask, and so on. 对于使用DHCP协议的实现方式,DHCP选项可被用于传递供给信息。 For implementation of the DHCP protocol Currently, DHCP option can be used to transfer information supplied. DHCP协议在RFC 2131中定义,DHCP选项例如在RFC 2132、 3004 和3046中被阐述。 The DHCP protocol is defined in RFC 2131, DHCP Options for example, in RFC 2132, 3004 and 3046 are set forth. 这里通过引用并入RFC 2131、 2132、 3004和3046,用于所有目的。 Herein incorporated by reference RFC 2131, 2132, 3004 and 3046, for all purposes. 在一些优选实现方式中,与RFID设备相对应的EPC被置于从RFID 设备发送到DHCP服务器的DHCP请求内。 In some preferred implementations, the RFID device is disposed corresponding to the EPC transmitted from the RFID device to the DHCP server a DHCP request. EPC唯一地标识RFID设备。 EPC uniquely identifies the RFID device. 一些实现方式采用了域名服务("DNS")和动态DNS ( "DDNS"), 以允许更容易地识别RFID设备。 Some implementations use a Domain Name Service ( "DNS") and Dynamic DNS ( "DDNS"), to allow for easier identification (RFID) device. 现将参考图6描述对本发明的一些这样的实现方式的概览。 It will now be described with reference to FIG overview of some such implementations of the present invention 6. 本领域的技术人员将会意识到,这里示出和描述和步骤不一定要以所指示的顺序来执行。 Those skilled in the art will appreciate, there is shown and described, and steps are not required to be performed in the order indicated. 此外,将会意识到,本发明的一些方面可以利用比这里指示的更多(或更少)的步骤来执行。 Moreover, it will be appreciated that some aspects of the present invention may utilize more (or less) than the step of indicating is performed here. 向DHCP服务器发出对IP地址的起动的设备通过包括"DHCPDISCOVER"请求的分组来完成这一点。 Sent to the DHCP server IP address starting device accomplishes this by grouping request comprises "DHCPDISCOVER". 该命令包括设备的介质访问控制("MAC")地址。 The command includes a media access control apparatus ( "MAC") address. 根据一些优选实现方式,RFID设备(例如RFID读取器300的CPU310)形成"DHCPDISCOVER"请求分组,其包括各种DHCP选项字段中的信息(步骤601) 。 According to some preferred implementations, the RFID device (e.g. CPU310 RFID reader 300) is formed "DHCPDISCOVER" request packet, which includes various information in the DHCP option field (step 601). RFID设备利用指示该设备是RFID设备的代码,对DHCP "类别标识符"选项60编码。 RFID device by using the code indicating that the device is an RFID device on the DHCP "class identifier" 60 coding options. 换言之,"RFID"将会是编码在选项60中的新类型的"厂商类别"。 In other words, "RFID" will be a new type of coding options 60 "vendor category." 在本示例中,RFID设备将其自身的EPC编码在为选项43 (因厂商而定的信息,在RFC 2132中定义)、选项61或选项125 (因厂商而定的厂商标识信息,在RFC 3925中定义)预留的字段中。 , The RFID device sends its own EPC encoding (in in RFC 2132 defined by vendor-specific information) for the 43 option in the present example, the option 61 or option 125 (by vendor-specific vendor identification information, in RFC 3925 defined) reserved field. RFID设备还将公司名称(例如提供、拥有或正在使用RFID设备的公司的名称)编码在DHCP 选项43中。 RFID equipment will be the company name (such as providing, the company owns or is using RFID device name) coding DHCP option 43. 根据本发明的不同实现方式,可以按各种方式来使用选项77 (用户类别选项,在RFC 3004中定义)或选项124 (厂商标识类别选项,在RFC 3925中定义)。 According to different implementations of the present invention may be used in various ways option 77 (user class option, RFC 3004 is defined in a) or option 124 (vendor identification category option, defined in RFC 3925) is. 在一些实现方式中,选项77或选项124将被用于指示RFID设备的类型,例如RFID设备是RFID读取器或RFID打印机。 In some implementations, Option 77 or Option 124 will be used to indicate the type of RFID device, such as an RFID device is an RFID reader or RFID printer. 在一些实现方式中,选项77或选项124还可包括关于RFID设备的功能或"个性"的信息。 In some implementations, option 77 or option 124 may also include information on the function of the RFID device or "personality". 例如,选项77或选项124可指示RFID设备是传入RFID读取器、传出RFID读取器、装配线上或零售商店中的RFID读取器或打印机,等等。 For example, Option 77 or Option 124 may indicate that an incoming RFID device is an RFID reader, an RFID reader outgoing, on the assembly line or retail store RFID reader or a printer, and the like. 再次参考图2,如果请求是来自RFID设备252的,则该设备将把指示该设备是RFID读取器的信息编码在选项77或选项124中。 Referring again to FIG. 2, if the request is from RFID device 252, then the device will encode information indicating that the device is an RFID reader 77 in an option or options 124. 在一些实现方式中,选项77或选项124还指示RFID设备252具有适合于被放置在入口门处的个性。 In some implementations, Option 77 or Option 124 also instructs the RFID device 252 has an inlet adapted to be placed at the door personality. 一些实现方式包括关于设备252的当前个性的更详细信息。 Some implementations include more detailed information on 252 of the device is currently personality. 例如,选项77或选项124可指示除了读取EPC码并将它们上载到RFID网络之外,设备252还将使得如果经授权的人或物体进入门225,则绿灯闪烁,而如果产品从门225出去,则红灯闪烁、响起警报以及将警告发送到网络上的管理员。 For example, Option 77 or Option 124 may indicate that in addition to reading the RFID EPC code and upload them outside the network, so that if the device 252 will be an authorized person or object enters door 225, the green LED flashes, and if the product from the door 225 out, the red light flashes, an alarm sounds and a warning sent to the administrator on the network. 该信息例如可以根据与入口门处的RFID读取器的一系列合适个性之一相对应的数字来编码。 This information may be encoded in accordance with one of a series of suitable individual entry door RFID reader corresponding number. 希望为网络中的RFID设备确定和提供位置信息。 Desirable to determine and provide the location information to an RFID network devices. 具有以太网或交换机端口的交换机和无线网桥被认为是静态的,并具有指定的名称和位置。 Or with an Ethernet switch port switches and wireless bridges are considered to be static, and with the specified name and location. 根据本发明的一些实现方式,位置信息例如被RFID设备所附接到的网络设备,添加到RFID设备的DHCPDISCOVER请求中(步骤610)。 According to some implementations of the present invention, for example, the RFID device location information appended to a network device, added to the RFID device DHCPDISCOVER request (step 610). 一些这样的实现方式以新的方式使用DHCP选项82 (RFC 3046), 以确定RFID设备所连接到的交换机端口和交换机。 Some such implementations in new ways using DHCP option 82 (RFC 3046), to determine the switch port and the switch is connected to the RFID device. 例如,交换机可将以下两个信息元素插入到来自附接的RFID设备的任何DHCP请求中:选项82,子选项1:代理电路ID (Agent Circuit ID);以及选项82,子选项2:代理远程ID (Agent Remote ID)。 For example, the following switch can be inserted into any two information elements DHCP request from the RFID device attached in: option 82, a sub-options: Agent Circuit ID (Agent Circuit ID); and option 82, sub-option 2: Remote Agent ID (Agent Remote ID). 代理电路ID是交换机的名称或标识符。 Agent Circuit ID is the name or identifier of the switch. 代理远程ID是交换机端口的名称或标识符。 Agent Remote ID is the name or identifier of the switch port. 例如,如果请求是来自图2的RFID设备226的,则网络设备230在步骤610中将位置信息添加到请求中。 For example, if the request is from RFID device 226 of FIG. 2, the network device 230 added to the request in a step 610 the position information. 这里,位置信息将被编码在选项82 中,并将包括标识RFID读取器226所附接到的网络设备230和端口216 的信息。 Here, the position information is encoded in the option 82, and including an RFID reader 226 identifier appended to a network device port information 230 and 216. 在其中RFID设备能够确定其自身的位置(例如从GPS坐标确定)的另一些实施例中,RFID设备可将位置信息编码在DHCPDISCOVER请求或其他命令中。 Wherein the RFID device is able to determine its own position (e.g., determined from GPS coordinates) of the other embodiments, the RFID device location information may be encoded in the DHCPDISCOVER request or other command. 可以有多个服务同一网络的DHCP服务器。 There can be multiple services on the same network DHCP server. 服务器如何作出响应例如可以依赖于每个服务器是否忙、它是否已经分发了它所有的地址,等等。 How the server responds for example, rely on each server is busy, whether it has distributed all of its addresses, and so on. 随着RFID试验网络(pilot network)的出现和发展,它们将与包括采用DHCP协议的网络在内的现有网络交织在一起。 With RFID test network (pilot network) the emergence and development, they will use the DHCP protocol comprises a network of existing networks, including intertwined. 供给RFID设备的DHCP 服务器(例如图2的服务器270)将会对例如编码在选项60中的将设备的类别标识为"RFID"的"DHCPDISCOVER"命令作出响应。 Supplying RFID device DHCP server (e.g., server 270 of FIG. 2) will respond to, for example, encoding options category identification device 60 as "RFID" in the "DHCPDISCOVER" command. 本领域的技术人员将会意识到,其他选项也可用于这个目的。 Those skilled in the art will appreciate that other options can also be used for this purpose. 相反,不供给RFID设备的DHCP服务器将不对将设备类别标识为"RFID "的"DHCPDISCOVER"命令作出响应。 In contrast, the RFID device is not supplied DHCP server will not be identified as a device category "RFID" in the "DHCPDISCOVER" respond to commands. 此外,如果非RFID DHCP服务器作出了响应,则RFID设备将能够从它所接收到的DHCP选项响应中确定出不完整的DHCP响应,并丢弃它,并且将会优选来自RFID DHCP服务器的响应。 Further, if the non-RFID DHCP server responded to, the RFID device will be able to receive the response from the DHCP option in which it is determined that the incomplete DHCP response, and discard it, and will preferably RFID response from DHCP server. 因此,本发明的方法允许了将RFID网络集成到DHCP协议的现有框架内。 Thus, the method of the present invention allow the network to be integrated into the RFID DHCP protocol existing framework. 在步骤615中,DHCP服务器确定在关于已知RFID设备、它们的预期功能和配置等的信息的数据库内是否有关于发出请求的设备的信息。 In step 615, the DHCP server determines whether there is information about the requesting device within a database of information regarding known RFID devices, and their intended function like configuration. 例如,DHCP服务器可检查编码在请求中的EPC,并确定在数据库中是否有用于具有相应EPC的设备的信息。 Ie, DHCP server may check encoding EPC in the request, and determines whether there is a database having information corresponding EPC device. 如果有,则在步骤620中,服务器将DHCP请求中的信息与存储的关于RFID设备的信息相比较。 If so, then in step 620, the DHCP server will request the information stored on the RFID device is compared. 该信息可能处于例如由负责RFID网络的IT 人员更新的数据库中(例如存储在存储设备265之一中)。 This information may be in, for example, updated by the IT staff responsible for RFID network database (for example, stored in one of the 265 storage devices). 例如,MAC 地址信息和EPC信息可被组合,以标识特定设备及其在网络中的位置。 For example, MAC address information and EPC information can be combined to identify a particular device and its location in the network. 更高级别的应用可被告知例如特定RFID网络可供使用。 Higher levels of a particular application may be informed, for example, RFID network available. 通过检査接收到的数据,服务器于是可以确定RFID设备的类型、身份、位置和个性(如果有的话)。 By checking the received data, the server can then determine the type of RFID device, identity, personality, and the position (if any). 通过将接收到的数据与数据库中的信息相比较,服务器于是可以确定例如这个RFID设备是否已经移动以及现在它处于什么位置。 By comparing the received data with the information in the database, the server can then determine, for example an RFID device that has moved now and what position it is in. 在优选实现方式中,DHCP服务器可以确定RFID设备的当前个性(例如通过检查选项77数据),并可以将当前个性与所期望的个性相比较。 In a preferred implementation, the DHCP server may determine the current personality of the RFID device (e.g., by checking option data 77), and this can be compared with the desired individual personality. 在步骤625中,DHCP服务器向RFID设备提供数据库中指示的配置信息等。 In step 625, DHCP server provides configuration information to the database indicating RFID device. 例如,DHCP服务器可指示RFID设备的时间服务器、SYSLOG 服务器、设备的配置文件的位置、映像文件,等等。 Ie, DHCP server configuration file may indicate the location of the RFID device time server, the SYSLOG server device, image files, and the like. 如果RFID设备的当前个性不匹配期望个性(或者如果请求未指示当前个性),则根据一些实现方式,DHCP服务器可向设备提供用于使能期望个性的信息(例如计算机程序、配置设置等等)。 If the current personality of the RFID device does not match the desired individual (or if the request does not indicate the current personality), then in accordance with some implementations, the DHCP server may provide personalized information for enabling desired (e.g. computer programs, configuration settings, etc.) to the device . 例如,假定EPC码指示设备是RFID读取器252,并且选项77指示RFID设备252具有适合被放置在入口门处的个性。 For example, assume that the pointing device is an RFID EPC code reader 252 and RFID device 252 indicating options 77 adapted to be placed at the entrance door with personality. 但是,请求中的位置信息可能指示发出请求的设备已经被移动并且现在位于出口门处。 However, the position information request may indicate that the requesting device has been moved and is now located at the exit door. 或者, 数据库可能指示设备被放置在了过去被用作入口门但现在将被用作出口门的门处。 Alternatively, the database may indicate that the device is placed on the door in the past but has been used as an entrance door to be used as exit door. 这可能是制造设施或仓库处的周期性(例如每小时、每日、每周或每月)的变化,或者可能由设施的重配置引起。 This may change periodically (eg, hourly, daily, weekly, or monthly) at the manufacturing facility or warehouse, or may be caused by the reconfiguration facilities. 因此,RFID设备252的期望个性现在是适合于出口门的个性。 Therefore, RFID device 252 is now expected personality suited to the exit door of personality. 但是,可能存在例如依赖于作出请求的设备的能力、出口门的预期用途等而可提供给设备252的一系列不同的"出口门"个性。 However, there may for example depend on the device requesting the ability to exit door intended use, etc. can be provided to a number of different "exit door" personality device 252. 例如,具有较少的能力(例如较小的存储器)的设备可能被赋予相对较简单的出口门功能。 For example, a device having a capability (e.g., smaller memory) less may be given a relatively simple function of the exit door. 例如,这种设备可被赋予例如在特定类型的产品从门出去时使绿灯闪烁,并在其他物品从门出去的情况下向IT人员传送通知消息和/或促使响起警报的能力。 For example, such devices may for example be given the green light flashes when a specific type of product out of the door, and the notification message and / or the ability to cause an alarm sounds transmitted IT staff in the case of other goods out through the door. 但是,具有较大能力的设备可被赋予相对较复杂的出口门功能。 However, the device having a large capacity can be relatively complex given the exit door functionality. 例如,设备可被赋予如果特定类型的产品在预期时间出去、如果从门出去的产品的数目处于预定范围内等,则使绿灯闪烁的能力。 For example, the device can be given out if a certain type of product at the expected time, if the number of products out from the door is within a predetermined range, etc., the ability to make the green light flashes. 重新指定设备个性的这种灵活性允许了RFID网络基于位置、时段或任何其他合适的标准,使相同设备类型具有多个个性。 Reassign device personality This flexibility allows the RFID network based on location, time, or any other suitable criteria, so that the same type having a plurality of individual devices. 此外,这种灵活性允许了设备的移动或重定位(不论这种移动是否己被预先批准),然后使得设备能够被自动地"重个性化"而适合于新位置。 In addition, such flexibility allows the movement or re-positioning device (regardless of whether this movement has been approved in advance), so that the device can then be automatically "re-personalization" and adapted to the new position. 此外,它允许了基于每设备、每地点的专门功能。 Furthermore, it allows each device based on specialized functions of each location. 但是,在一些情况下,在数据库中可能没有关于该设备的信息。 However, in some cases, the database may not have information about the device.例如,设备可能是刚刚第一次在RFID网络中激活的新RFID设备(步骤630)。在本示例中,设备被置于针对不是受信任的设备的那些设备的"有壁园(walled garden)"中。步骤630可包括经由DHCPOFFER命令为设备指定预定长度的时间内的不可路由IP地址。根据一些实现方式,当数据库中有关于与请求中的信息不一致的关于设备的信息时,DHCP服务器执行步骤630。优选地,步骤630包括向更高层应用通知设备已作出请求。以这种方式,负责RFID设备所处地点的IT人员将被告知:RFID设备离开了并作出了请求。根据一些实现方式,步骤630包括将DHCP Tl定时器设置为短时间间隔,例如60秒。在本示例中,RFID设备将持续地每60秒向服务器发送DHCP请求,并且服务器将会向设备发送"ACK",直到以下两个事件之一发生:(1)服务器已被更新(例如被负责RFID设备所处地点的IT人员更新);或者(2)服务器和RFID设备之间的连接断开(步骤635)。如果服务器在预定时间内被更新,则表明IT人员已确定作出请求的RFID设备是受信任的设备。因此,方法进行到步骤625。如果否,则设备仍被归类为不受信任的设备(步骤630)。优选地,设备的状态仍可例如根据IT人员随后的输入而被改为受信任的(因此是被供给的)设备的状态。在初始供给配置周期(例如如上所述的)之后,RFID设备可能需要被重新供给,或者它们的个性要被改变。如上所述,希望RFID设备依赖于特定时刻时RFID设备的期望功能而具有唯一的供给和个性。期望功能可根据RFID设备的位置和能力来确定。一些设备可能在相对较长的时间(例如若干月或若干年)中被提供以相同的个性。但是,可能希望在相对较短的时间中,例如在DHCPT1定时器期满之前,改变RFID设备的个性和/或供给信息。大多数当前部署的RFID终端设备不支持RFC 3203 (DHCP重配置扩展)。本发明包括多种用于实现这些目标的方法。现将参考图7描述一种这样的方法。方法700开始于确定是否向网络设备发送关于RFID设备的当前个性的信息(步骤701)。这里,如果己经过一段预定的时间,则RFID 设备将向DHCP服务器发送该信息。在本示例中,预定的时间段是一个小时的时间,但它也可以是任何便利的时间段。如果到了另一个DHCPREQUEST或DHCPINFORM请求应当被发送到DHCP服务器的时间,则RFID设备形成该请求(步骤705)。如果否,则当前个性被维持(步骤702)。在本示例中,信息将会结合被设置为RFID设备的EPC (或等同物)的DHCP选项125、选项61或选项43 和被设置为RFID设备的当前个性的选项77在DHCP请求(RFC 2131) 中被发送。利用DHCPREQUEST、 DHCPINFORM和DHCP选项,RFID 设备能够传递当前标识、供给和个性信息。在本示例中,被缓存的秘密(例如,利用DHCP消息的内容(包括客户端EPC)而被哈希(hash)的秘密)将被与DHCP请求包括在一起,以便保证响应的安全。该秘密例如可在较早的供给阶段期间被提供,例如在RFID设备的初始供给阶段期间被提供。该秘密可被用于DHCPINFORM 确认过程和其他过程中。在步骤710中,请求被发送。优选地,中继代理利用位置信息更新请求,如上所述(步骤715)。在步骤720中,服务器将请求中的信息与存储的信息(例如存储在査找表或数据库中的信息)相比较,以确定是否需要对RFID设备进行更新或完全重配置。如果否,则过程返回到步骤701。如果是,则服务器向RFID设备提供必要的更新和/或重配置信息(步骤725)。 RFID设备触发前述示例中的更新和/或重配置确定。但是,在其他实现方式中,另一设备(例如DHCP服务器)和/或人发起该确定。例如, DHCP服务器可发起将期望RFID设备个性与最后已知的RFID设备个性相比较的周期性的过程。或者,IT工作者可发送指示期望的个性变化的信息(例如向DHCP服务器、RFID设备或另一设备发送)。根据本发明的一些实现方式,DHCP服务器利用如RFC 3203 (这里通过引用并入其全文)所定义的DHCPFORCERENEW命令来引起更新或完全重配置。 RFID设备的CPU注册DHCPFORCERENEW命令,并开始新的供给周期,例如上面参考图6所描述的。为了保证命令的安全,在本示例中,缓存的秘密被哈希在命令内。例如,秘密可被与RFID设备的EPC码包括在一起。一种用于创建认证密钥的方法如下:MD-5 (EPC, Challenge, Secret)通过添加随机Challenge (挑战)的变量,哈希代码的重放攻击不能被使用。由于包括了EPC,可以进一步确证认证来自特定设备。前述方法允许了按时段而不是简单地按设备"类型"、"类别"或"位置"来唯一确定和供给RFID设备。此外,前述方法允许了对终端设备的角色的进行中的验证/核査。此外,这些方法允许了操作管理者让企业资源规划系统控制终端设备,以允许更多功能。图8是示出本发明的示例性商业应用的流程图。本领域的技术人员将会意识到,以下参考图8描述的示例只是本发明的许多应用之一。在步骤805中,RFID设备已根据先前描述的方法之一被供给。 RFID 设备的状况与方法600 (在图6中示出并在上文描述)中的步骤640处的设备的状况相当。在本示例中,RFID设备是被放置在零售商店的出口门附近的RFID读取器。因此,在前述步骤中,设备已被供给以适合于其角色的个性。在步骤810中,购物者带着若干选中的产品从门出去。在步骤815 中,RFID读取器读取每个产品的RFID标签,并提取EPC码和相关产品信息(例如每个产品的价格)。 RFID读取器还读取标识购物者和购物者为了购买产品而应当被借记的(一个或多个)优选账户的RFID标签。例如,购物者可能拥有嵌入在卡、钥匙链或任何其他其中编码有该信息的便利的地方中的RFID标签。账户可以是由一个或多个金融机构维护的各种类型的账户。例如,账户可以是支票账户、储蓄账户、信用额、信用卡账户等等中的一种或多种。来自购物者的生物测定数据(例如语音、指纹、视网膜扫描等)也可被获得,并被与存储的生物测定数据相比较,以便验证购物者的身份。在步骤820中,RFID读取器在RFID网络上传送产品信息,其中包括EPC码。在本示例中,信息首先被发送到由购物者的RFID标签指示的金融机构。在步骤825中,维护购物者的选定账户的金融机构确定是否有足够的资金(或是否有充足的信用)供购物者购买选中的产品。如果有,则购物者的账户被借记,并且交易完成(步骤830)。在本示例中,购物者可以选择指明一个或多个备选账户。因此,如果第一账户没有足够的资金或信用,则确定(例如由RFID网络上的服务器确定)购物者是否己指示了任何备选账户用于进行购买(步骤835)。如果是,则在步骤825中下一个账户被评估。如果在步骤835中确定购物者没有指明额外的账户,则在本示例中,发生某种形式的人为干预。例如, 零售商店的出纳员可帮助购物者以便利的方式进行购买。如果产品中的一些或全部被购买,则关于购买的产品的信息(包括EPC码)在RFID网络上被传送。例如,该信息优选地被转发到RFID网络上的一个或多个设备(步骤840),所述一个或多个设备被配置为更新由零售商店或所购买产品的制造者/生产者、配发者、批发者等所维护的一个或多个数据库。在一些实现方式中,关于购物者的信息也在RFID网络上传送(例如,如果购物者已授权公开这种信息)。该产品信息(以及购物者信息(可选))可被用于各种目的,例如用于各种类型的商业计划的形成(例如重新进货、营销、销售、配发和制造/生产计划)。本发明的一些实施例提供了供给设备的另一些方法,所述设备包括但不限于RFID设备。现将参考图9等描述一些这样的方法。在图9A中,RFID读取器905与交换机910通信。这一通信可经由有线链路进行,如RFID读取器905和端口917之间的可选链路915所示。或者,该通信可经由无线链路进行,例如经由RFID读取器905的天线925和接入点930的天线927之间的无线链路920进行。 RFID设备907经由线路918连接到端口919。交换机910以及交换机912、 914和916可经由网络940与DHCP服务器935通信。网络940可以是任何便利类型的网络,但在本图中网络940的至少一部分包括因特网的一部分。在本发明的一些实现方式中,DHCP服务器935执行在其他实现方式中由设备945执行的任务。设备945可以是各种类型的计算设备之一,包括主机设备、服务器等等。在一些实现方式中,设备945是轻型目录访问协议(Lightweight Directory Access Protocol, "LDAP")月艮务器。 LDAP 是用于访问信息目录的一组协议,它基于X.500标准内包含的标准,但是简单得多。与x.500不同,LDAP支持TCP/IP。在一些实现方式中, DHCP服务器935和设备945处于同一机箱950中。在其他实现方式中, DHCP服务器935和设备945进行直接通信(如链路955所示)或经由网络940通信。因此,RFID读取器905可以读RFID标签(包括但不限于位置标签960),并将它们传送到与网络940通信的设备。优选地,位置标签960 被放置在相对固定的位置中,例如被安装在墙、门框或建筑物的其他结构元素上。在另一些实施例中,位置标签960是便携式的。位置标签960包括这里有时称之为"位置数据"、"位置信息"之类的东西。位置信息可包括任何便利类型的绝对或相对坐标、定位、测绘或类似的信息和/或可从中导出这种信息的信息。例如,在一些实现方式中, 位置标签960包括纬度/经度、X、 Y坐标信息和/或海拔信息。在其他实现方式中,位置标签960包括"民用地址"信息,其可包括街道地址、建筑物、楼层、房间/区域和/或其他这样的信息。或者,位置信息可采取可从中导出绝对位置信息(例如坐标、纬度/经度、民用地址等)的代码的形式,例如数字或字母代码。例如,可被DHCP服务器和/或设备945访问的数据结构可包括代码和相应的绝对位置信息。因此,DHCP服务器和/或设备945可访问数据结构,并确定与编码在位置标签960中的代码相对应的绝对位置信息。数据结构可以是査找表、数据库等。数据结构可被存储在本地存储器中或一个或多个联网的存储设备947中。中间设备服务器952和954提供数据收集和过滤服务,例如取出冗余、搜索特定RFID标签读取结果,等等。因此,中间设备服务器所接收的数据中只有一部分被例行地使得对更高级别应用可用。中间设备服务器2在这里有时被称为"ALE"(应用级别事件)设备等。监视系统、排查故障等的IT人员可使用比如管理站957这样的设备, 其在本示例中是桌面型计算机。管理站可被配置为接收、显示和分析原始和/或经过滤的读取结果,并执行比如询问网络中的设备这样的后续任务。位置标签960可以任何便利的方式被编码,包括通过专属的方法和/或至少部分遵循现有标准的方法来编码。一般希望部署根据现有标准编码的位置标签,以便简化相关设备的编程,避免非唯一性问题,并且一般降低实现本发明的成本。位置标签960例如可形成为RFID标签或任何类型的条形码。位置标签960的至少一部分的格式的一个示例在图9B中示出。这里,位置标签960采取全球位置码("GLN")的一般格式。一些示例性GLN格式例如在"Global Location Number (GLN) Implementation Guide" (Uniform Code Council, 2002)中定义,这里通过引用将其并入, 用于所有目的。因此,位置标签960包括13位GLN。字段965是公司前缀字段,其指示由统一代码委员会(Uniform Code Council)或EAN成员组织指定给实体的前缀。字段972是校验数字字段,其包含用于确保数据完整性的一位数字。位置参考字段970在本示例中是一个九位字段,其长度根据指定的公司前缀字段965的长度而变化。位置参考字段970可被指定来唯一地标识选中的位置。因此,位置参考字段970可根据组织的愿望和/或要求来定制。在图9C所示的示例中,位置参考字段970已由某个实体根据3位建筑物字段975、 2位楼层字段980、 1位功能字段985和3位区域字段990 来定义。在本示例中,位置是仓库的接收区域中的特定的门。图IO是概括根据本发明的方法1000的流程图。在步骤1001中,设备初始化。根据方法1000,设备在其被配置以IP地址和其他网络配置信息之前获得位置数据(步骤1005)。在本发明的一些实现方式中,在步骤1005中,通过读取放置于附近的位置标签来获得位置数据。因此,位置标签先前已被放置在了设备预期被使用的位置中。位置标签的标识符和位置优选已被记录在中央管理系统中。在一些这样的实现方式中,当设备(例如无线RFID读取器)最初被接通时,设备提示用户将读取器"刷"过位置标签。如果例如位置标签是RFID标签并且读取器能够在充分的距离处读取标签,则不需要进行刷操作。在另一些实现方式,在步骤1005中,根据其他方法获得位置数据, 例如从具有全球定位系统("GPS")能力的关联设备获得。在一些这样的实现方式中,设备本身包括GPS功能。在步骤1008中,位置数据被包括在DHCPDISCOVER请求的选项字段中,例如包括在选项43 (RFC 2132)或选项125 (RFC 3925)中。这里通过引用将这些RFC并入,用于所有目的。 DHCPDISCOVER请求随后被发送到DHCP服务器(步骤1010)。在步骤1015中,确定是否能从DHCPDISCOVER请求中的位置数据确定设备的位置。确定步骤包括从DHCPDISCOVER请求的选项字段提取位置数据。如上所述,在一些实现方式中,位置数据可以是可用于交叉参考对设备供给目的可能有意义的客观位置数据的代码。在其他实现方式中(例如以上参考图9B和9C所描述的),这种客观位置数据被编码在请求本身之中。确定和/或评估位置数据的过程可由DHCP服务器本身(例如由图9A 的DHCP服务器935)执行,或至少部分由另一设备(例如图9A的设备945)执行。与步骤1015、 1018和1020相关的信息可由这些设备之一、 由本地存储设备或由联网的存储设备947存储(见图9A)。如果在步骤1015中能确定客观位置数据,则过程继续进行到步骤1018。如果否,则过程结束。在本示例中,按图9C所示的方式编码客观位置数据,并且在步骤1015中确定设备位于所指示的仓库的特定楼层的接收门附近。在步骤1018中,确定是否有存储的与步骤1015中确定的客观位置数据相对应的配置数据。步骤1015或步骤1018中的任何一个(在本示例中是步骤1018)还包括例如根据本文别处论述的方法确定设备类型。这里,在步骤1018中确定出设备是特定类型的RFID读取器。此外,在步骤1018中确定出适合于该类RFID设备以及适合于步骤1015中确定的位置的配置数据先前已被存储。在本示例中,在步骤1018中确定出设备的位置数据,例如逻辑名称,也是可用的。因此,在步骤1020中,获得适当的IP地址、其他网络配置信息、位置数据和RFID读取器的操作系统映像。这种数据在这里有时被统称为"配置数据"等。在本示例中,适当的设备个性也已被存储。该个性是在步骤1018中确定的,并且在步骤1020中通过DHCP消息交换,利用一个或多个DHCP选项被提供。例如,基于坐标的位置信息可在"DHCP Option for Coordinate-based Location Configuration Information (用于基于坐标的位置配置信息的DHCP选项)"(RFC 3825)中返回,这里通过引用将该RFC并入。民用地址位置信息可在"DHCP Option for Civic Addresses Configuration Information (用于民用地址配置信息的DHCP选项)" (draft-ietf-geopriv-dhcp-civil-04)中返回,这里也通过引用将其并入。其他位置标签可以"Vendor-Identifying Vendor Option (标识厂商的厂商选项)"(RFC 3925)的形式返回,这里已通过引用将该RFC并入。逻辑名称可经由DHCP选项12返回。 DHCP和DNS可完成基于位置的供给。 DHCP服务器可从地址池中返回"随机"的地址给RFID读取器,还可将特定的主机名称返回给RFID 读取器。中间设备一般具有与特定RFID读取器相对应的预配置的特定IP 地址或特定主机名称。对于本领域的技术人员来说清楚可见的是,如果DHCP服务器从池中分发"随机"的IP地址,那么将特定IP地址硬编码在中间设备中将不起作用。因此,在本发明的一些实现方式中,特定的主机名称被硬编码在中间设备服务器内。当DHCP服务器退还与特定RFID读取器相对应的"随机"IP地址时,它可更新动态DNS服务器。 DNS服务器将"随机"IP地址绑定到特定的主机名称。在这种情况下,由于DHCP服务器基于设备的位置(例如来自DHCP选项82信息)将主机名称指定给设备,这样可确保IP地址被绑定到正确的主机名称。设备被相应的配置,例如如本文别处所述的(步骤1030)。在一些优选实现方式中,中间设备服务器将指示读取器以中间设备服务器指定的任何形式将位置信息包括在每个标签读取结果内,所述形式例如是位置EPC、地理坐标或读取器的逻辑名称(即设备名称或主机名称)。例如, 中间设备服务器可发送指示读取器将其名称设置为逻辑名称(例如"玛门100")的XML命令。在一些这样的实现方式中,逻辑名称将包括额外的民用地址信息(例如"仓库A")和/或测绘信息,例如(x,y,z)坐标、纬度/经度等等。在供给过程中接收到的位置数据优选地被存储在本地,例如存储在每个被供给的RFID读取器的存储器中。当中间设备向发起到读取器的会话时,它利用硬编码的主机名称来查询DNS服务器。 DNS服务器以绑定到该主机名称的IP地址作出响应,并且中间设备能够连接到RFID读取器。在RFID读取器被根据本发明的方法被供给和配置之后,RFID读取器读RFID标签(步骤1035),并将来自RFID标签的RFID数据(在这里有时被称为"原始读取结果"等)传送到中间设备服务器,例如图9A的中间设备服务器952和954。在本发明的一些优选实现方式中,RFID读取器还将把在供给过程期间获得的位置数据(例如逻辑名称)与原始读取结果一起编码和传送(步骤1040)。这种读取结果的示例在下文参考图13 描述。在一些这样的实现方式中,这些位置数据与每个原始读取结果一起被传送。如本文别处提到的,逻辑名称具有不需要交叉参考例如设备ID号码的含义。因此,逻辑名称对于监视系统、排査故障或以其他方式尝试确定读取结果的意义的IT人员是有意义的。这种任何例如可经由管理站957 执行。本发明一些实现方式使用另一些确定设备位置的方法。例如,适合于无线设备的一些方法使用在一种或多种IEEE 802.11规范(例如802.11b) 中概括的位置确定技术,这里通过引用将这些规范并入,用于所有目的。现将参考图11的网络图和图12的流程图描述本发明的一些这样的实现方式。图11示出无线设备1105,在本示例中它是无线RFID读取器。在另一些实现方式中,无线设备1105可以是另一种类型的无线设备,例如具有无线接口的便携式数字助理或膝上型计算机。来自无线设备1105的信号可被无线接入点("WAP" ) 1101、 1102和1103所检测,这些接入点与交换机1111和1U2通信。根据图12的方法1200,无线设备1105初始化并与接入点1101形成关联(步骤1205)。所有802.11设备在任何时刻都只与单个接入点关联。因此,无线设备1105只能与单个接入点关联。接入点1102和接入点1103能够"看到"无线设备1105,因为无线网络是共享介质。但是,无线设备1105将其流量定向为朝向与之具有关联的接入点1101。根据802.11b规范,无线设备将周期性地发出特定的无线帧(分组),它们被特定地理解为去往所有接入点。特定的帧一般依赖于实现方式,它通常包括特定无线设备的标识符。这种特定的帧在这里将被称为"位置帧"等。因此,在步骤1210中,无线设备1105发出被接入点1101、 1102和1103接收的位置帧。位置帧包括标识符,该标识符可以是无线设备1105的MAC地址、某个其他的标识号、编码到RFID设备的EPC值,等等。当接入点接收到位置帧时,接入点将位置帧转发到聚集来自各种接入点的信息的管理服务器。每个接入点在将帧转发到管理服务器之前,可插入关于何时接收到帧的时间戳和/或接收的帧的功率电平(接收信号强度指标或"RSSI")。这些数据在这里有时将被称为"IEEE 802.11b位置数据"等。这种IEEE 802.11b位置数据可包括可被称为"三角测量数据"的数据,因为该数据可用于通过三角测量技术定位无线设备。但是, 一些类型的IEEE 802.1 lb位置数据严格来说并不是三角测量数据。而是,这些数据参考其他位置信息,例如系统地图数据。因此,在步骤1215中,接入点1101、 1102和1103将IEEE 802.11b 位置数据插入到接收自无线设备1105的位置帧中,并将位置帧转发到管理服务器1120。因此,管理服务器1120将接收到来自不同接入点的包含无线设备1105的设备标识符的多个帧。交换机1113在图11中被示为硬连线到管理服务器1120、 DHCP服务器1125、 LDAP服务器1130和交换机1111。交换机1113被示为经由网络1160与交换机1112通信,在本示例中网络1160是局域网。但是本领域的技术人员将会意识到这只是网络1100 的这些和其他设备可如何进行通信的一个简单示例。例如,交换机1113 可经由诸如内联网和/或因特网这样的网络与管理服务器1120、 DHCP服务器1125、 LDAP服务器1130、交换机1112和交换机1111通信。在步骤1225中,管理服务器1120尝试利用位置帧中的IEEE 802.11b 位置数据来确定无线设备1105的位置。接入点优选地已被映射到管理服务器中,因此它们的位置是已知的。基于特定帧中的IEEE 802.11b位置数据(例如RSSI或时间戳),管理服务器可用算法来确定无线设备1105的位置。在接入点被添加到管理站的同时,管理服务器1120可在一幅地图上示出无线设备1105的位置,该地图被预配置在管理站中。可以按地理坐标来指示该位置。或者(或附加地),管理服务器可被配置为指定地图的某些部分对应于预定的位置名称,例如"坞门101"或"后库房"。如果管理服务器1120不能确定无线设备1105的位置,则方法1200结束。尽管如此,位置仍可通过这里描述的另一些方法来确定。但是,如果管理服务器能够确定无线设备1105的位置,则管理服务器1120将存储该位置,并可更新另一设备(例如LDAP服务器1130)的存储器(可选步骤1230)。在步骤1235中,无线设备1105将具有设备标识符的DHCPDISCOVER请求发送到DHCP服务器1125。与特定位置帧不同, DHCPDISCOVER请求只去往无线设备1105与之有关联的接入点(接入点1101)。接入点1101所连接到的交换机1111可以可选地添加位置数据, 如本文别处所述。例如,交换机1111可将位置数据包括在选项82中。交换机1111经由交换机1113将DHCPDISCOVER请求转发到DHCP服务器1125。在一些实现方式中,如果DHCP服务器在单独的IP子网上,则交换机1113充当中继代理,并将网关地址插入到DHCPDISCOVER请求中。在步骤1250中,DHCP服务器1125査询管理服务器1120和/或LDAP 服务器1130,以确定是否有与DHCPDISCOVER请求中的信息(例如ID信息)相对应的位置。如果没有,则方法1200结束。在一个这样的示例中,DHCP服务器1125在接收到DHCPDISCOVER 请求后査询管理服务器1120以获得设备的位置。 DHCP服务器1125可使用编码到DHCPDISCOVER请求中的MAC地址、EPC值或另一标识符, 以把无线设备1105介绍给管理服务器1120。管理服务器1120可经由网络将RFID设备的位置返回给DHCP服务器。依赖于实现方式,管理服务器1120可返回地理坐标,或预定的位置名称,例如"坞门101"。 DHCP服务器1125可以按类似的方式査询LDAP服务器1130以获得这种信息。如果管理服务器1120正在更新LDAP服务器1130,则DHCP 服务器1125可从LDAP服务器1130获得这些和其他数据。如果设备位置被确定,则DHCP服务器1125确定是否有适合于该位置和适合于DHCPDISCOVER请求中指示的设备类型的配置数据、个性数据等等,如本文别处所述的。如果没有,则方法1200结束。如果这种数据被找到,则DHCP服务器U25获得这些数据(步骤1255)并将它们提供给无线设备1105 (步骤1260)。在本示例中,在步骤1250中确定出设备的位置数据,例如逻辑名称,也是可用的。因此,在步骤1255中也获得这些数据,并在步骤1260中将其提供给无线设备1105。在步骤1265 中,相应地供给无线设备1105。在RFID读取器被供给和配置之后,RFID读取器准备好进行常规操作。 RFID读取器将读RFID标签(步骤1270),并将来自RFID标签的原始读取结果传送到中间设备服务器,例如图9A的中间设备服务器952和954或图11的中间设备服务器1170。在本示例中,RFID读取器还将把在供给过程期间获得的位置数据(例如逻辑名称)与原始读取结果一起编码和传送(步骤1275)。逻辑名称对于监视系统、排査故障等等的IT人员是有意义的。图13示出包括逻辑设备名称和/或设备位置数据的RFID读取结果的一种示例性格式。在本示例中,RFID读取器经由以太网与中间设备服务器通信,并且已将RFID标签读取结果1300编码在了XML文档中。因此,封装的最外层是以太网层1305。在以太网层1305内是IP数据报1310和TCP层1315。因此,XML文档1325被嵌入在HTTP消息1320中,该HTTP消息被封装在以太网帧内的TCP/IP分组中。在本示例中,XML文档1325既包括逻辑名称("dockDoorlOO")又包括纬度/经度/海拔数据,如下:<?xml version="1.0" encoding="UTF-8"><rfidReader>〈readerName name="dockDoor 100"><readerLocation><locationCoordinates><lattitude〉053C 1F751 </lattitude><longitude>F50BA5B97</longitude><altitude>00006700</altitude></locationCoordinates></readerLocation><readPoint id="l"><epc>000000000000000000000001</epc〉 </readPoint> </readerName> </rfidReader>在XML 文档内,有单个EPC 标签读取值("<epc>000000000000000000000001</epc>")。图14是概括用于使用由本发明的一些方面提供的位置数据和RFID标签读取结果的简化方法1400的流程图。方法1400的一些步骤例如可由(和/或经由)管理站执行,例如图9A的管理站957或图11的管理站1150。在步骤1405中,位置数据和RFID标签读取结果被接收。在现有技术的一些系统中,原始读取结果可通过利用标识号码,例如读取器的MAC 地址,来标识发起端RFID读取器。来自多个RFID读取器的原始读取结果例如被显示在管理站的显示监视器上。取代将原始读取结果标识为来自用号码标识的RFID读取器,根据本发明的一些方面,读取结果经由诸如"坞门A"、"建筑物22,第3层, 会议室B"等逻辑名称来与位置和/或功能相关联。因此,当问题被指示时IT人员更容易确定(步骤1415),并且/或者在这种问题被指示时更迅速地处理该问题(步骤1420)并解决它(步骤1425)。在一个示例中,IT人员管理用于工厂和相关联的仓库的RFID网络。 IT人员将管理站用于此目的,该管理站具有显示关于网络的各种组件的信息的屏幕。例如,屏幕通常可显示多行条目,这些条目指示原始读取结果和相应位置数据的至少一部分。在本示例中,管理站包括允许IT人员根据各种标准来显示RFID读取结果的软件,其中的至少一些对应于位置数据。例如,IT人员能够显示在某个时帧内来自特定位置(例如来自特定坞门或特定建筑物)的所有读取结果。因此,IT人员将能够更容易地检测问题(步骤1415)。管理站还可包括在预定事件发生(或故障发生)时提供自动通知的软件。例如,在显示屏上可弹出指示该问题的框,例如"我2个小时都没有收到关于[设备的逻辑名称]的消息了"或"[设备的逻辑名称]刚发送了指示天线故障的消息"(步骤1415)。 IT人员可更容易地处理这种问题(步骤1420),因为所指示的问题将与特定的位置名称/逻辑名称相关联。例如,可通过询问RFID设备和/或相关联的中间设备服务器、通过重引导RFID设备、通过通知在所指示的位置或附近工作的人更换发生故障的RFID设备等等,来处理问题。在问题被解决之后(步骤1425),管理站将继续接收和监视RFID读取结果。图15示出可被配置为实现本发明的一些方法的网络设备的示例。网络设备1560包括主中央处理单元(CPU) 1562、接口1568和总线1567 (例如PCI总线)。接口1568 —般包括适合于与适当的介质通信的端口1569。在一些实施例中,接口1568中的一个或多个包括至少一个独立处理器1574,并且在一些情况下包括易失性RAM。独立处理器1574例如可以是ASIC或任何其他适当的处理器。根据一些这样的实施例,这些独立处理器1574执行这里描述的逻辑的至少一些功能。在一些实施例中,接口1568中的一个或多个控制比如介质控制和管理这样的通信密集型任务。通过为通信密集型任务提供单独的处理器,接口1568允许了主微处理器1562高效地执行诸如路由选择计算、网络诊断、安全性功能等其他功能。接口1568 —般是以接口卡(有时称为"线路卡")的形式提供的。接口1568 —般控制网络上数据分组的发送和接收,并且有时支持与网络设备1560 —起使用的其他外围设备。可以提供的接口包括光纤信道("FC")接口、以太网接口、帧中继接口、线缆接口、 DSL接口、令牌环接口等等。此外,可提供各种超高速接口,例如快速以太网接口、吉比特以太网接口、 ATM接口、 HSSI接口、 POS接口、 FDDI接口、 ASI接口、 DHEI接口等等。当在适当的软件或固件的控制之下动作时,在本发明的一些实现方式中,CPU 1562可负责实现与所期望的网络设备的功能相关联的特定功能。根据一些实施例,CPU 1562在软件的控制下完成所有这些功能,所述软件包括操作系统(例如Linux、 VxWorks等)和任何适当的应用软件。 CPU 1562可包括一个或多个处理器1563,例如来自Motorola系列微处理器或MIPS系列微处理器的处理器。在另一实施例中,处理器1563是专门设计的用于控制网络设备1560的操作的硬件。在特定实施例中,存储器1561 (例如非易失性RAM和/或ROM)也形成CPU 1562的一部分。但是,存储器可以以许多不同方式耦合到系统。存储器块1561可用于各种目的,例如缓存和/或存储数据、编程指令等等。不论网络设备的配置如何,它都可采用被配置为存储数据、用于通用网络操作的程序指令和/或与这里描述的技术的功能相关的其他信息的一个或多个存储器或存储器模块(例如存储器块1565)。程序指令例如可控制操作系统和/或一个或多个应用的操作。由于这种信息和程序指令可被用来实现这里描述的系统/方法,因此本发明涉及包括用于执行这里描述的各种操作的程序指令、状态信息等的机器可读介质。机器可读介质的示例包括但不限于磁介质,例如硬盘、软盘和磁带;光介质,例如CD-ROM盘;磁光介质;以及专门配置为存储和执行程序指令的硬件设备,例如只读存储器设备(ROM)和随机访问存储器(RAM)。本发明还可实现在经由诸如空气波、光线路、电线路等适当的介质传播的载波中。程序指令的示例既包括机器代码,例如由编译器产生的机器代码,也包括包含可由计算机利用解释器执行的更高级的代码的文件。虽然图15所示的系统示出了本发明的一个特定网络设备,但是它绝不是可在其上实现本发明的仅有的网络设备体系结构。例如,经常使用具有处理通信以及路由选择计算等的单个处理器的体系结构。此外,其他类型的接口和介质也可与网络设备一起使用。接口/线路卡之间的通信路径可以是基于总线的(如图15所示),也可以是基于交换结构(switch fabric)的(例如纵横交换机(cross-bar))。其他实施例虽然这里示出和描述了本发明的示例性实施例和应用,但是许多保持在本发明的概念、范围和精神之内的变化和修改是可能的,并且本领域的技术人员在仔细阅读本申请之后将清楚看出这些变化。因此,当前的实施例应当被视为示例性的,而不是限制性的,并且本发明并不局限于这里给出的细节,而是可以在所附权利要求的范围和等同物内被修改。

Claims (18)

1. 一种供给设备的方法,所述方法包括: 初始化射频识别(RFID)设备; 从RFID标签读取RFID标签数据; 将所述RFID标签数据插入到DHCPDISCOVER请求的选项字段中; 将所述DHCPDISCOVER请求发送到动态主机配置协议(DHCP)服务器; 至少部分地基于所述RFID标签数据,查明所述RFID设备的位置和逻辑名称; 至少部分地基于所述RFID设备的位置,为所述RFID设备确定适当的配置; 根据所述适当的配置,供给所述RFID设备,其中所述供给步骤包括向所述RFID设备供给逻辑名称。 1. A method of feeding apparatus, the method comprising: initializing a radio frequency identification (RFID) devices; read the RFID tag data from an RFID tag; inserting the RFID tag data to the option field DHCPDISCOVER request; the DHCPDISCOVER request to the dynamic host configuration protocol (DHCP) server; at least in part on the RFID tag data, and a logical name to identify the location of the RFID device; at least partially based on the location of the RFID device, the RFID device is determining the appropriate configuration; according to the appropriate configuration, the RFID device is supplied, wherein said supplying step comprises supplying to the logical name of the RFID device.
2. 如权利要求1所述的方法,其中,所述査明步骤包括访问包括RFID标签数据和相应的位置数据和逻辑名称的数据结构。 2. The method according to claim 1, wherein the ascertaining step comprises accessing a data structure of RFID tag data and corresponding location data and logical names.
3. —种供给无线设备的方法,所述方法包括: 接收来自多个无线接入点的IEEE 802.1 lb位置数据; 至少部分地基于所述IEEE 802.1 lb位置数据,査明无线设备的位置和逻辑名称;根据所述位置,为所述无线设备确定适当的配置;以及供给所述无线设备,其中所述配置步骤包括向所述无线设备提供所述适当的配置和逻辑名称。 3. - feeding method of a wireless device, the method comprising: receiving IEEE 802.1 lb position data from a plurality of wireless access points; at least in part on the IEEE 802.1 lb location data identifying the location of the wireless device and the logical Title; according to the location, the wireless device to determine the appropriate configuration; and supplying the wireless device, wherein the configuring step comprises providing the proper configuration and logical name to the wireless device.
4. 如权利要求3所述的方法,其中,所述IEEE 802.lib位置数据包括时间数据和信号强度数据之一。 4. The method according to claim 3, wherein said position data comprises one IEEE 802.lib time data and signal strength data.
5. —种供给设备的方法,所述方法包括: 接收动态主机配置协议(DHCP)请求;根据所述DHCP请求中的信息,査明设备的位置和逻辑名称; 至少部分地基于所述位置,为所述设备确定适当的配置;以及向所述设备提供所述适当的配置和逻辑名称。 5. - The method of feeding apparatus, the method species comprising: receiving a Dynamic Host Configuration Protocol (DHCP) request; according to the information in the DHCP request to identify the location and name of the logical device; at least in part on the location, determining the appropriate configuration for the device; and providing the proper configuration and logical name to the device.
6. 如权利要求5所述的方法,其中,所述查明步骤包括确定被编码在所述DHCP请求中的位置。 6. The method according to claim 5, wherein said determining step comprises the identification encoded in the DHCP request position.
7. 如权利要求5所述的方法,其中,所述査明步骤包括: 访问数据结构;以及将所述DHCP请求中的信息映射到相应的位置数据。 7. The method according to claim 5, wherein the ascertaining step comprises: accessing a data structure; and the mapping information in the DHCP request to corresponding location data.
8. —种用于在网络中部署被唯一地供给的射频识别(RFID)设备的方法,所述方法包括:从第一RFID标签读取第一位置信息;形成DHCPDISCOVER请求,所述DHCPDISCOVER请求包括RFID读取器的电子产品代码(EPC)和所述第一位置信息;将所述DHCPDISCOVER请求发送到动态主机配置协议(DHCP)服务器;接收来自所述DHCP服务器的根据所述RFID读取器的身份和位置使能期望的功能的供给信息,所述供给信息包括第二位置信息;以及根据所述供给信息来供给所述RFID读取器,从而使得所述RFID读取器能够读取附近的RFID标签并将RFID标签信息和第二位置信息发送到RPID网络。 8 - Method species deployed in a network is a radio frequency identification uniquely supplied (RFID) device, the method comprising: reading first location information from a first RFID tag; forming a DHCPDISCOVER request, the request includes a DHCPDISCOVER RFID reader electronic product Code (EPC) and the first position information; the DHCPDISCOVER request to a dynamic host configuration protocol (DHCP) server; receiving from the DHCP server, according to the RFID reader supplying information to enable the identity and location of a desired function, said information comprises second location information is supplied; and supplying the supplied information according to the RFID reader such that the RFID reader can read close RFID tags and RFID tag information and second location information to the RPID network.
9. 如权利要求8所述的方法,其中,所述第一位置信息包括坐标信息和民用地址信息之一。 9. The method according to claim 8, wherein the position information comprises one of the first coordinate information and civil address information.
10. 如权利要求8所述的方法,其中,所述第二位置信息包括逻辑名称。 10. The method according to claim 8, wherein the second location information comprises a logical name.
11. 一种网络,包括: 多个射频识别(RFID)设备;将所述RFID设备连接到所述网络的多个交换机;以及动态主机配置协议(DHCP)服务器,其中所述RFID设备中的至少一些包括:用于从第一RFID标签读取第一位置信息的装置;用于形成DHCPDISCOVER请求的装置,所述DHCPDISCOVER请求包括RFID读取器的电子产品代码(EPC)和所述第一位置信息;用于将所述DHCPDISCOVER请求发送到所述DHCP服务器的装置;用于接收来自所述DHCP服务器的根据所述RFID读取器的身份和位置使能期望的功能的供给信息的装置,所述供给信息包括第二位置信息;以及用于根据所述供给信息来供给所述RFID读取器,从而使得所述RFID读取器能够读取附近的RFID标签并将RFID标签信息和第二位置信息发送到RFID网络的装置;并且其中,所述DHCP服务器包括:用于接收所述DHCPDISCOVER请求的装置;以及用于根据包括在 11. A network, comprising: a plurality of radio frequency identification (RFID) device; connecting the RFID devices to a plurality of switches of the network; and a dynamic host configuration protocol (DHCP) server, wherein the RFID device is at least Some comprising: a first means for reading position information from a first RFID tag; DHCPDISCOVER request means for forming a DHCPDISCOVER request electronic product Code (EPC) including an RFID reader and the first location information ; DHCPDISCOVER request for the device transmits to the DHCP server; means for supplying information to enable a desired function from the DHCP server according to the identity and location of the RFID reader for receiving the supplying information includes second location information; and an RFID tag and RFID tag close to the second position information and means for supplying the RFID reader based on the information supplied, so that the RFID reader can read RFID device transmits to the network; and wherein the DHCP server, comprising: means for receiving the DHCPDISCOVER request; and means for comprising 述DHCPDISCOVER请求中的EPC和介质访问控制(MAC)地址来自动识别RFID设备,并根据包括在所述DHCPDISCOVER请求中的第一位置信息来定位所述RFID设备并确定所述第二位置信息的装置;以及用于向所述RFID设备提供期望的功能和所述第二位置信息的装置。 EPC said DHCPDISCOVER request and media access control (MAC) address to automatically identify the RFID device, and the device comprises a first position in accordance with the DHCPDISCOVER request information to the RFID positioning apparatus and the second location information determined ; and means for providing a desired function to the RFID device and the second position information.
12.—种供给设备的方法,所述方法包括: 初始化RFID设备; 获得第一位置数据;将所述第一位置数据插入到DHCPDISCOVER请求的选项字段中;以及将所述DHCPDISCOVER请求发送到动态主机配置协议(DHCP)服务器;至少部分地基于所述第一位置数据,确定包括逻辑名称的供给信息;将所述供给信息提供给所述设备;根据所述供给信息配置所述设备;从RFID标签读取RFID标签数据;以及将所述RFID标签数据与所述逻辑名称一起传送到中间设备服务器。 The method of feeding device, the method comprising 12.- Species: initializing an RFID device; obtaining first location data; inserting the first location data to the option field of the DHCPDISCOVER request; and the DHCPDISCOVER request to a Dynamic Host configuration protocol (DHCP) server; at least in part on the first location data, including the supply information to determine the logical name; supplied the information to the device; the device according to the configuration information supplied; from the RFID tag reading RFID tag data; and the RFID tag data is transmitted together with the logical name of the device to an intermediate server.
13. 如权利要求12所述的方法,其中,所述RFID设备包括全球定位系统(GPS)能力,并且其中,所述第一位置数据包括GPS数据。 13. The method of claim 12, wherein the RFID device comprises a global positioning system (GPS) capability, and wherein said first position data comprises GPS data.
14. 一种用于供给设备的网络,所述网络包括: 用于初始化射频识别(RFID)设备的装置; 用于从RFID标签读取RFID标签数据的装置;用于将所述RFID标签数据插入到DHCPDISCOVER请求的选项字段中的装置;用于将所述DHCPDISCOVER请求发送到动态主机配置协议(DHCP)服务器的装置;用于至少部分地基于所述RFID标签数据,査明所述RFID设备的位置和逻辑名称的装置;用于至少部分地基于所述RFID设备的位置,为所述RFID设备确定适当的配置的装置;以及用于向所述RFID设备提供包括逻辑名称和适当的配置的供给信息的装置。 14. An apparatus for supplying network, the network comprising: means for initializing a radio frequency identification (RFID) device; means for reading RFID tag data from an RFID tag; means for inserting the RFID tag data means the option field of the DHCPDISCOVER request; means for the server DHCPDISCOVER request to a dynamic host configuration protocol (the DHCP); at least in part on the RFID tag data to identify the location of the RFID device and logical name means; means for at least partially based on the location of the RFID device, determining means appropriate configuration for the RFID device; and means for providing the logical name and the appropriate configuration information is supplied to the RFID device comprises installation.
15. —种用于供给无线设备的装置,所述装置包括: 用于接收来自多个无线接入点的正EE 802.1 lb位置数据的装置; 用于至少部分地基于所述IEEE 802.11b位置数据,査明无线设备的位置和逻辑名称的装置;用于根据所述位置为所述无线设备确定适当的配置的装置;以及用于向所述无线设备提供所述适当的配置和所述逻辑名称的装置。 15. - kind of means for supplying wireless device, the apparatus comprising: means positive EE 802.1 lb position data from a plurality of wireless access points for receiving; at least in part based on the IEEE 802.11b location data identifying the location of the wireless device and the logical device name; means according to the position to determine an appropriate configuration for the wireless device; and means for providing the proper configuration and the logical name to the wireless device installation.
16. —种供给设备的装置,所述装置包括: 用于接收动态主机配置协议(DHCP)请求的装置; 用于根据所述DHCP请求中的信息,査明设备的位置和逻辑名称的装置;用于至少部分地基于所述位置为所述设备确定适当的配置的装置;以及用于向所述设备提供所述适当的配置和逻辑名称的装置。 16. - species supply device means, the apparatus comprising: means for receiving a Dynamic Host Configuration Protocol (DHCP) request means; according to the information in the DHCP request means to identify the location of the device and for a logical name; and means for providing the logical name and the appropriate configuration to the device; at least in part on the determined position of the device is suitable for device configuration.
17. —种用于在网络中部署被唯一地供给的射频识别(RFID)设备的网络,所述网络包括:用于从第一RFID标签读取第一位置信息的装置;用于形成DHCPDISCOVER请求的装置,所述DHCPDISCOVER请求包括RFID读取器的电子产品代码(EPC)和所述第一位置信息;用于将所述DHCPDISCOVER请求发送到动态主机配置协议(DHCP)服务器的装置;用于接收来自所述DHCP服务器的根据所述RFID读取器的身份和位置使能期望的功能的供给信息的装置,所述供给信息包括第二位置信息; 以及用于根据所述供给信息来供给所述RFID读取器,从而使得所述RFID 读取器能够读取附近的RFID标签并将RFID标签信息和第二位置信息发送到RFID网络的装置。 17. - for deploying RFID species uniquely supplied by the network (RFID) device in a network, the network comprising: means for reading first location information from a first RFID tag; for forming a DHCPDISCOVER request means, the DHCPDISCOVER request electronic product Code (EPC) including an RFID reader and the first location information; means the server DHCPDISCOVER request to a dynamic host configuration protocol (DHCP); means for receiving means for supplying information from the DHCP server according to the identity and location of the RFID reader to enable a desired function, said information comprises second location information is supplied; and supplying means for supplying the information according to the RFID reader, so that the RFID reader can read the RFID tag and the RFID tag information and the position close to the second apparatus transmits to the RFID network.
18.—种用于供给设备的网络,所述网络包括:用于初始化RFID设备的装置;用于获得第一位置数据的装置;用于将所述第一位置数据插入到DHCPDISCOVER请求的选项字段中的装置;以及用于将所述DHCPDISCOVER请求发送到动态主机配置协议(DHCP)服务器的装置;用于至少部分地基于所述第一位置数据,确定包括逻辑名称的供给信息的装置;用于将所述供给信息提供给所述设备的装置; 用于根据所述供给信息来配置所述设备的装置; 用于从RFID标签读取RFID标签数据的装置;以及用于将所述RFID标签数据与所述逻辑名称一起传送到中间设备服务器的装置。 18.- species supplying device for a network, the network comprising: means for initializing an RFID device; means for obtaining first location data; a first position for inserting the data to DHCPDISCOVER request option field the means; and means for the server DHCPDISCOVER request to a dynamic host configuration protocol (the DHCP); at least in part based on the first position data, determining means comprising information about the logical name of the feed; for providing the apparatus supplying information to the device; means for configuring the apparatus in accordance with the supplied information; means for reading RFID tag data from RFID tags; RFID tag and the data for the intermediate apparatus is transmitted to the server apparatus together with the logical name.
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